FDM Appendices

FDM Polymers — A Technical Reference ›

Appendices

Cross-polymer property comparison tables, the author's bench-measured calibration profiles for a representative prosumer setup, an alphabetical brand index keyed to chapter references, the consolidated source list for data values cited throughout the volume, a regulatory-and-compliance quick reference, a glossary of the volume's abbreviations, and the license terms.

Appendix A — Master cross-polymer property comparison

Consolidated property tables across the polymer families in this volume. Values are typical FDM-printed-specimen envelopes from manufacturer TDS data, biased toward XY-direction tensile and modulus values where vendors publish them. Specific filament brands and batches will vary within each polymer's range by 10–25%. Cross-reference the per-polymer chapter for engineering decisions.

A.1 Thermal envelope

Polymer	Tg(°C)	Tm(°C)	HDT @ 0.45 MPa (°C)	Continuous service (°C)
PLA	55–65	150–170	55–60	50
PLA annealed (HTPLA)	55–65	150–170	~120	100
PETG	75–80	— (a)	70–75	60
PCTG	85–95	—	76–99	70
PET-CF / PET-GF	70–80	250–260	n/p (f)	above PETG; grade-dependent (f)
ABS	~105	—	90–98	80
ASA	~100	—	90–98	85
HIPS	90–100	—	85	70
PP unfilled	-10	160–170	85–100	60
PP-GF	-10	160–170	115–140	~80–90, grade-dependent (g)
PP-CF	-10	160–170	115–160	~80–90, grade-dependent (g)
PE / HDPE	-110	~130	60–85 (e)	60
PA6 (dry)	~55	215–225	150–170	80
PA66 (dry)	~70	255–265	180–200	100
PA12	~45	175–180	140–150	90
PA612	~50	210–220	150–160	100
PA11	~45	180–190	140–150	90
PPA (unfilled, filament)	~80	~230–260	75–85	70–90 (c)
PPA-CF (filament)	~80	~230–260	120–230 (c)	130–150 (c)
PC blend (general)	109–145	—	105–120	100
PC-CF	~113–142+	—	114–140	100–130
ESD-PC	143	—	135–138	120
PEI 9085-CF	186	—	180	170
PEI 1010-CF	217	—	210	~170 (RTI)
PEEK	143	343	160 / 240 annealed	250
PEKK-A (amorphous)	~165	—	160	150 (b)
PPS-CF	~90	~280	200+	180
PMMA	100–110	—	94	70
POM	-60	165–180	155–175	90
PVDF	-35	165–175	115–150 (e)	120
TPU 95A	—	~200	50–70	70
TPEE 55D	—	~200	90–110	110
PEBA 40D	—	~160	~45–55	grade-dependent — ~70–90, stiffest grades ~100 short-term (Ch 16); 40D at the low end
PVA / BVOH	n/p (d)	n/p	n/p	n/a — soluble supports, dissolved in service (Ch 20)
PVB	n/p (d)	n/p	n/p	cosmetic tier; low layer adhesion limits structural use (Ch 21)
PHA / PLA-PHA	n/p (d)	n/p	n/p	n/p — grade-dependent; see Ch 21
PCL	n/p (d)	~60	n/p	<40 — softens above 40 °C, loses dimensional stability above 50 °C (Ch 21)

_{Table A.1 — Thermal envelope across the polymer families covered in this volume. Continuous service temperature is derived from RTI/HDT data and creep behavior per polymer — there is no reliable T-offset formula — and is not the absolute upper limit, which is closer to Tg or HDT. Use this column for service-life calculations; use HDT for short-duration thermal events. (a) PETG is an amorphous copolyester with no true crystalline melting point; it is processed across a melt/processing range of roughly 230–250 °C rather than at a defined Tm. (b) The PEKK row is the amorphous grade (PEKK-A); semi-crystalline PEKK runs a higher continuous-service envelope of roughly 220–240 °C, as noted in §19.4. (c) The PPA rows give printable filament-grade values: commercial PPA filaments are printability-modified semi-aromatic copolymers with a melting point near 230–260 °C, well below the 290–320 °C of neat high-temperature PA6T/PA9T resins. PPA-CF HDT is strongly load- and anneal-dependent — roughly 120 °C at 1.80 MPa rising to ~190–230 °C at 0.45 MPa for annealed and process-tuned grades (vendor figures up to ~240 °C depending on test method; see Table 14.5) — so the filament datasheet should be read with the test basis in mind. The continuous-service figures reflect RTI-class data adjusted for grade: the low-crystallinity printability-modified unfilled grades are creep-limited near their ~80 °C Tg, while CF grades retain stiffness well above it; the 180–230 °C figures sometimes quoted for PPA-CF are short-term or annealed HDT values, not continuous service. (d) Support and niche polymers are listed for completeness: figures appear only where Chapters 20–21 document them, and n/p cells are deliberately left unpopulated rather than estimated — these materials are selected for function (solubility, post-formability, smoothability, compostability), not thermal envelope. Their process parameters are in Table A.3 and bed-adhesion guidance in Table 24.1. (e) The HDPE and PVDF cells were re-based against named-grade TDS data in July 2026: typical HDPE injection grades read ~60–85 °C at 0.45 MPa (a representative grade: 77 °C), and Kynar-class PVDF spans ~115–150 °C (Kynar 740 homopolymer: 135 °C at 0.46 MPa vs 105 °C at 1.8 MPa; flexible copolymer grades sit at the low end) — the values previously in these cells sat at or near the 1.80 MPa basis. (f) The reinforced-PET row is deliberately sparse: Chapter 9 reports these grades qualitatively (Table 9.1) because fiber loading, fiber length, and base-resin grade vary enough between vendors that a filament-level number is not portable. Tg/Tm are the PET backbone's (§9.1); HDT and continuous service depend on the crystallinity the print develops and sit well above PETG when printed hot with low cooling — use the specific spool's TDS. (g) Chapter 11 deliberately assigns filled PP no single continuous-service figure: fiber loading preserves short-term stiffness at the high HDT test temperatures, but creep governs above 70 °C and structural use above ~90 °C is not recommended (Tables 11.2, 11.4) — treat ~80–90 °C as a grade-dependent envelope, not an allowable.}

A.2 Mechanical envelope (XY-direction, dry as-printed)

Polymer	Density (g/cm3)	Tensile (MPa)	Modulus (GPa)	Elongation (%)	Notched Izod (kJ/m2)
PLA	1.24	50–70	3–4	3–8	2–4
PETG	1.23–1.27	40–50	1.9–2.1	8–25	4–8
PCTG	1.18–1.23	44–58	1.5–1.6	TDS up to ~220 (b)	~8–24 (b)
PET-CF / PET-GF	~1.35–1.55	n/p (c)	n/p (c)	n/p (c)	n/p (c)
ABS	1.0–1.1	30–45	~2	10–40	15–25
ASA	1.05–1.1	30–45	~2	10–35	15–25
HIPS	1.03–1.05	~34	~1.9	— (d)	— (d)
PP unfilled	0.90–0.91	15–25	1.0–1.4	100–600	5–15 (f)
PP-GF (15–30%)	1.05–1.15	30–50	2.0–3.0	3–10	7–12 (f)
PP-CF (15–30%)	0.91–1.00	25–45	2.0–4.0 (to ~6.5, FL900PP-CF)	3–6	10–15 (f)
PA6 dry	1.13	70–85	2.0–3.0	30 / 5 (Z)	5–8
PA12	1.01	45–55	1.1–1.5	30–80	4–6
PA6-CF (15–25%)	1.15–1.23 (≈1.20 at 20% CF)	90–130	5–9	3–6	8–12
PPA-CF (15–20%)	~1.20	95–170	6–10	2–5	6–10
PC blend	~1.20	40–65	~2.0–2.5	6–80	50–80 (e)
PC-CF (10–15%)	~1.25	64–76	~5	~3	15–30
PPS-CF (10–20%)	~1.30	90–110	5–12	~2	~5
PEEK unfilled	1.30	90–100	3.5–4.0	30–50	5–7
PEEK-CF (15–30%)	1.35	130–170	12–15	~2	5–8
PMMA	1.18–1.20	60–75	3.0–3.5	2–5	~2
POM	1.4	65–75	2.5–3.0	10–30	6–8
PVDF	1.75–1.80	35–50	1.5–2.5	50–200	10–15
TPU 95A	1.20–1.25	30–45	~0.05	400–600	—
PEBA 40D	1.01	35–55	~0.08	400–700	—

_{Table A.2 — Mechanical envelope across the polymer families. Reinforced grades (CF, GF) carry the highest stiffness numbers but the lowest elongation and notched impact — the brittle/stiff trade is structural. Elastomer modulus values are reported low because the polymer flexes under test load; tensile strength remains useful as a relative metric even though elongation dominates elastomer applications. (b) PCTG elongation and notched-impact figures vary widely with resin grade, test method (ISO 180 Izod vs ISO 179 Charpy), specimen basis, and print orientation; the ~8–24 kJ/m² impact range spans vendor TDS values near the low end and independently measured flat-printed specimens near the high end. Treat these as orientation- and method-dependent, not single allowables. (c) The reinforced-PET cells follow Chapter 9's deliberate practice of reporting these grades qualitatively (Table 9.1, Table A.1 note f): direction-of-effect guidance — much stiffer than PETG, brittle-composite impact behavior — is in Table 9.1, and filament-level numbers belong to the specific spool's TDS. (d) Chapter 10 documents HIPS's elongation and notched impact qualitatively (lower than ABS; moderate), and no verified filament-form figures are carried in this volume, so the cells are left unpopulated rather than estimated. (e) The PC-blend notched-Izod range is a neat-resin, ductile-failure figure (§15 intro) retained on resin basis because printed-specimen Izod is not consistently published for this category — layer-bonded parts lose 50–70% of resin notched Izod (§1.4), so treat the cell as an upper bound in the same way as the PCTG row's note (b). (f) The PP-family impact figures are Charpy-basis values carried over from Table 11.2's notched-impact row; Charpy (ISO 179) and Izod (ISO 180) are not interchangeable — the distinction note (b) draws for PCTG — so read these cells on their Charpy basis rather than as Izod numbers. The support and niche polymers (PVA, BVOH, PVB, PHA, PCL) are omitted from this table deliberately: vendors do not publish printed-specimen mechanical data for them, and their selection axes are functional rather than mechanical — see Chapters 20–21.}

A.3 Process envelope

Polymer	Nozzle (°C)	Bed (°C)	Chamber	Drying	Tier
PLA	200–220	50–60	none	45–55 °C, 4–6 h (optional)	1
PETG	230–250	80–90	optional	60–70 °C, 4–6 h	1
PCTG	250–280	70–90	optional	65–70 °C, 4–6 h	2 (e)
PET-CF / PET-GF	260–300 (brand-dependent; the B.3 worked profile runs 290)	70–100	optional; passive helps (B.3 profile: 55–60)	mandatory, per TDS — fiber accelerates uptake (§9.3)	2
ABS / ASA	240–270	95–110	enclosed	60–70 °C, 4–6 h	2
HIPS	230–250	100–110	enclosed	60–70 °C, 4–6 h	1–2 (g)
PP family	200–280	20–105	optional	unfilled: not required; GF/CF: follow TDS (some specify none; some 60–80 °C, 4–6 h)	1 (unfilled) / 2 (GF, CF)
PE / HDPE	210–230 (Braskem); 260–290 (Spectrum Low-Warp)	—	—	—	—
PA12 / 612 / 11	245–275	60–90	open OK; passive beneficial	70–80 °C, 8–12 h	2
PA6	260–280	90–110	passive 40–50	80–90 °C, 10–16 h	2
PA66	280–300	90–110	passive 40–50	80–90 °C, 10–16 h	2
PA-CF / GF	265–295	90–110	passive 40–50	90–110 °C, 8–10 h	2
PPA (unfilled)	275–310	70–110	passive 40–60	80–140 °C, 4–12 h (d)	3
PPA-CF / GF	280–320	90–120	active 55–65	80–140 °C, 4–12 h (d)	3
PC blend	260–290	100–115	passive 40–50	80–100 °C, 6–8 h	2
PC-CF / GF	275–300	100–115	passive 40–50	90–110 °C, 8–10 h	3
ESD-PC	270–300	110–120	passive 45–60	80–100 °C, 6–8 h	2
FR-PC	240–280	90–110	passive 40–50	60–80 °C, 4–16 h	2
PPS-CF	320–350	80–120	product-dependent: none (Polymaker, Flashforge) to 60–90 (Bambu)	per TDS: Bambu 100–140 °C, 8–12 h; Flashforge 120 °C, ≥8 h	3
PEI-CF	350–390	140–155	active 85+ (65 marginal)	130–150 °C, 4–6 h	3–4*
PEEK / PEKK	380–440	140–155	active 85+	120–130 °C, >=4 h	4
PMMA	240–270	100–110	enclosed	90 °C, 4–6 h	2
POM	210–230	100–115	optional + ventilation	80 °C, 4–6 h	2
PVDF	230–250	90–110	optional	80 °C, 4–6 h	2
TPU / TPE	220–260	40–70	optional	50–65 °C, 4–6 h	1 (f)
TPEE	230–250	50–70	optional	65–75 °C, 6–8 h	1
PEBA	225–250	50–90	optional	70–80 °C, 6–8 h	1
PVA / BVOH	195–225	50–65	none	45–60 °C, 8–12 h	1
PVB	215±10	70–80	none	45 °C, 8 h	1
PHA / PLA-PHA	200–220 (blends print PLA-like; pure PHA per vendor)	0–60 (some grades cold-bed)	none	per vendor TDS	1
PCL	85–95	20–30	none	rarely needed; keep well below Tm ~60 °C	1

_{Table A.3 — Process envelope and hardware tier across the polymer families. The tier column maps to the §4 hardware definitions: Tier 1 baseline desktop, Tier 2 engineering desktop, Tier 3 active-chamber engineering, Tier 4 ultra-high-temperature industrial (beyond prosumer scope). Filament selection outside the hardware's tier capability produces unreliable results. *PEI-CF straddles the Tier 3/Tier 4 boundary: it has been run marginally in 65 °C Tier 3 active chambers, but its 140–155 °C bed and 350–390 °C nozzle exceed the Tier 3 envelope defined in §4 (bed <=120 °C) and require Tier 4 thermal hardware. Treat it as boundary hardware, not standard Tier 3. (d) PPA drying guidance varies by brand: the upper end (~140 °C, 8–12 h) suits the higher-melting engineering PPAs such as Bambu PPA-CF, while the printability-modified grades such as Siraya Fibreheart PPA specify a milder 80–100 °C for 4–6 h and treat drying as needed only when moisture symptoms appear. Follow the spool's own datasheet rather than a single family schedule. (e) Mainstream PCTG grades specify 250–270 °C (Spectrum, Fiberlogy) up to 260–280 °C (Tritan-class 3D-Fuel) — above the Tier 1 nozzle ceiling, so Tier 2 hotend capability is required, though no enclosure. (f) The TPU/TPE window spans hardness grades: soft through 95A grades stay within the Tier 1 nozzle ceiling, while the 64D+ hard grades run up to 260 °C (Appendix B.2) and need Tier 2 hotend capability; the TPEE and PEBA windows top out at 250 °C and sit within Tier 1, PEBA's more demanding drying notwithstanding. (g) HIPS spans the tier boundary: Table 4.1 lists it as Tier-1-accessible for smaller parts (bed ≤100 °C), while the enclosed 100–110 °C practice of Table 10.3 is Tier 2 discipline for warp-prone parts — the enclosure, not the nozzle, is the binding constraint.}

Appendix B — Example calibrated filament profiles

Bench-measured calibration values for specific filaments, captured on a representative prosumer setup as worked examples of the §23 calibration workflow. These values are measured, not vendor-supplied; they should be treated as starting points for re-calibration on the reader's actual hardware rather than as universal values. Spool-to-spool drift of 5–10% on EM and PA is normal within the same brand and color.

B.1 Reference hardware setup All values below were measured on a single enclosed CoreXY prosumer printer with a 0.4 mm hardened-tip nozzle (PCD-tipped for the CF-loaded and abrasive grades, hardened steel for the unfilled engineering polymers), in an active-chamber configuration capable of 45–65 °C ambient. Per-spool drying was performed to the §3.5 protocol before each calibration. The calibrations reported here used the Califlower Mk2 XY-shrinkage methodology and the 12-sample wall measurement EM method described in §23.4. Where a different nozzle size was used (0.6 mm high-flow), it is noted in the per-profile entry.

B.2 Calibrated profiles (engineering polymers)

Filament	Nozzle (°C)	Bed (°C)	Max vol. (mm3/s)	EM	PA	XY shrink (%)
Prusament PC Blend	275	110	~10	1.045	0.025	—
Kexcelled K8 PC	270	105	~10	1.049	0.045	—
3D-Fuel Pro PCTG	265	85	~10	0.937	0.053	0.20
Spectrum PCTG Matte Black CF (0.4 mm)	245	85	11	0.960	tuned	0.20
Overture Easy Nylon (CoPA)	245	50	11	1.000	0.030	0.25
Polymaker Fiberon PA6-CF20	290	95	~9	0.898	tuned	0.20
iglidur I150-PF (tribological; base polymer undisclosed)	245	60	4	1.030	geometry-dependent (not converged)	—
Siraya Tech TPU 64D	260	45	5	0.970	tuned	—

_{Table B.2 — Bench-measured calibration profiles on a 0.4 mm PCD-tipped or hardened-steel nozzle. Bed surface varies by polymer family per §24; the values above assume the bed surface from that chapter's recommendation. Legend: “tuned” marks a value stored in the machine-side filament profile that is machine-specific and therefore not published as a portable number; “geometry-dependent (not converged)” means repeated calibration runs did not settle on a single value. The Spectrum PCTG CF nozzle value (245 °C) sits below the vendor's published 250–270 °C window and the Table A.3 family envelope — it is the author's bench-measured setting on the reference setup, retained as measured rather than adjusted to the datasheet. (Tables in this appendix are numbered by their host section — B.2, B.3 — so table and section numbers stay aligned.)}

One profile is deliberately excluded from the table as incomplete: Prusament ASA (nozzle 260 °C, bed 105 °C, max volumetric ~9.5 mm³/s, EM 1.030) was still in calibration at compilation — pressure advance and XY shrinkage are pending, and the row will join Table B.2 when the values converge.

B.3 Calibrated profiles (0.6 mm high-flow nozzle)

Filament	Nozzle (°C)	Bed (°C)	Chamber (°C)	Max vol. (mm3/s)	EM	PA
Overture ASA (0.6 mm HF)	265	95	45	14	tuned	0.025
Polymaker Fiberon PET-GF15 (0.6 mm HF)	290	80	55–60	13	tuned	0.030
Polymaker Fiberon PPS-CF10 (0.6 mm Diamondback)	350	120	55–65	~10	tuned	tuned

_{Table B.3 — 0.6 mm high-flow profiles where the larger nozzle was used instead of the 0.4 mm default. “Tuned” as in the Table B.2 legend. Overhang fan settings: 40% for PET-GF15 (reduces stringing on the longer-melt high-flow setup); 0% for ASA and PPS-CF (interlayer adhesion sensitive to cooling at this nozzle scale).}

B.4 Notes on workflow Pressure advance is best stored per-filament rather than as a single machine-wide value, so the correct compensation travels with the material instead of requiring a manual reset between filaments. Most firmware implementations expose a way to do this: a per-filament start-G-code command (for example, M900 K… on Marlin, M572 D0 S… on RepRapFirmware and Prusa Buddy firmware, or the SET_PRESSURE_ADVANCE macro on Klipper), or a per-filament field in the slicer profile on printers that manage the value in firmware. The profiles above were captured with the value in the filament start G-code; the reader should use whichever mechanism their own firmware and slicer provide. Skew correction, where the frame is measured out of square, is applied either in firmware or as a G-code post-processing step and validated against a printed skew calibration model; the residual after correction on the reference setup was below 0.02°. Z-shrinkage compensation was intentionally skipped on most profiles where Z-axis dimensional precision was already within the engineering tolerance for the intended application; it is worth measuring only where tall parts must hold a tight Z dimension.

Appendix C — Brand index

Alphabetical index of filament brands cited in this volume, with their primary product families and the chapter references where they appear. Counting rule (this index is regenerated by script against the full text): an entry lists every chapter from 6 through 32 where the brand or its products are named — including comparative and "notable absence" discussions, which are substantive coverage — plus Appendix B where the brand has a bench-measured calibration profile. Mentions inside Part I's foundational examples, the Appendix D source lists, and the Appendix E cross-reference table are not separately indexed, and non-filament products (build plates, adhesives) do not create entries. Budget-tier names appearing only in passing generic lists (Eryone, Iemai, Yousu — §11.5) do not receive rows.

Brand	Primary product families	Chapters
3D-Fuel	Pro PCTG (Tritan), ReFuel PCTG, Standard PLA / Pro PLA	6, 8, 27, Appendix B
3D4Makers	PCL, unfilled PEI (ULTEM 9085)	18, 21
3DXTech	CarbonX (CF-filled: PEEK+CF, PEKK-A+CF15, PEI 9085+CF, PA6-CF, PC-CF, PPS+CF, HTN+CF, PETG-CF, PP+CF); ThermaX (unfilled: PEEK, PEKK-A, PEI 9085, PSU, PPSU); 3DXLABS PEBA 90A; FluorX PVDF; 3DXSTAT ESD-Safe PC; FibreX PPA+GF15	7, 11, 13, 14, 15, 16, 17, 18, 19, 27, 29
American Filament	PCTG, PETG (US food-contact focus)	8
AzureFilm	PC-ABS, PETG, PLA, ABS (European budget tier)	15
Bambu Lab	PLA family (Basic, Matte, Silk, PLA-CF), PETG HF, PETG-CF, PC, PC FR, PPS-CF, PPA-CF, PAHT-CF, PA6-CF, PA6-GF, TPU 95A, TPU for AMS, Support W	6, 7, 13, 14, 15, 16, 18, 20, 26, 27, 30
BCN3D	PAHT CF15, BVOH; primarily for BCN3D printer ecosystem	14
Braskem	FL900PP-CF (recycled CF), FL500PP-GF, FL100PP, FL105PP, FL300PE	11, 12, 27, 29
colorFabb	LW-PLA, PLA/PHA, allPHA, nGen copolyester	6, 7, 16, 21
Creality	Generic "Nylon" SKUs (CoPA / PA6 base), budget engineering filaments	13
Envalior (formerly DSM)	Arnitel ID 2045 (TPEE / TPC)	16
eSun	PLA+, PETG, PVA, eTPU-95A, generic Nylon (CoPA) (budget tier)	6, 7, 13, 16, 20, 27
Essentium	PCTG (Tritan) — legacy: exited filament production in the Nexa3D restructuring; PCTG line taken over by 3D-Fuel	8
Fiberlogy	PCTG, Easy PET-G, ASA, Nylon PA12, PA12-GF, PP, R PP (recycled), BVOH	7, 8, 10, 11, 13, 20, 27
Fillamentum	Extrafill PLA, PP 2320, Porthcurno (with Fishy Filaments), NonOilen PLA/PHA, Flexfill PEBA 90A	6, 11, 16, 17, 21, 27
Fishy Filaments	Porthcurno (100% ocean-recovered PA6, sold with Fillamentum), OrCA (adds 10% CF)	27
Flashforge	PPS-CF (LUVOCOM), PPA-CF, PEEK (limited)	14, 18, 19, 24
FormFutura	AthenaX (PCTG), ApolloX (ASA), TitanX (ABS), HDglass (PETG), Centaur PP, Atlas Support	7, 8, 10, 11, 20
Forward AM (Technologies; ex-BASF, acquired by Stratasys 2025)	Ultrafuse PC/ABS FR, PC GF30, TPU 64D/85A/95A	15, 16
Gizmo Dorks	Acetal (POM)	17, 28
Hatchbox	PLA (US commodity default)	6
igus	iglidur tribological filaments: I150 / I150-PF, I180, i151 (food-compliant), RW370 and J-class	8, 13, 22, 28, Appendix B
Intamsys	Unfilled PEI (ULTEM)	18
Kexcelled	K8 PC, K-class PLA and engineering grades	Appendix B
Nanovia	PC family (PC-CF and PC-ABS variants); French specialty	15
NinjaTek	NinjaFlex 85A, Cheetah 95A, Armadillo 75D	16, 27
Nobufil	PCTG, color-focused European specialty	8
Overture	PLA, PETG, Easy Nylon (CoPA), ASA	6, 7, 10, 13, Appendix B
Polymaker	PolyLite / PolyTerra / PolySonic / PolyMax PLA, PolyLite PETG, PolyMax PETG, PolyMax PC, PolyLite PC, PC-ABS, PC-PBT, PolyMide CoPA, Fiberon PA6-CF20 / PA612-CF15 / PA6-GF25 / PET-GF15 / PPS-CF10 / PA12-CF10, PolyFlex TPU, PolySmooth / PolyCast (PVB), PolyDissolve S1, PolySupport	6, 7, 8, 9, 10, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 25, 26, 27, Appendix B
PPprint	P-filament 721, P-support 279, P-surface 141 (PP system)	11
protopasta	HTPLA (the canonical annealable PLA), metal- and carbon-filled PLA	6
Prusament	PLA, PETG, ASA, PVB, PC Blend, PC Blend CF, PC Space Grade Black, PA11-CF Carbon Fiber, PP CF, PP GF	6, 7, 10, 11, 13, 15, 21, 27, 29, Appendix B
Push Plastic	PMMA	17
Qidi	PAHT-CF / PAHT-GF (PPA-based)	14
Raise3D	Industrial PPA CF, PPA GF, breakaway PPA support, Industrial PPS-CF	14, 18
Recreus	FilaFlex 60A/70A/82A/95A, PP3D, PP-GF	11, 16
SainSmart	TPU 95A, generic flexibles (budget tier)	16
Siraya Tech	Fibreheart PPA, PPA-CF, PPA-CF Core, TPU 64D, Pro Flex 85A, foaming line (Flex TPU Air, Roamr TPU Air HR, PEBA Air)	14, 16, 26, Appendix B
Spectrum	Premium PCTG, PCTG CF10, PCTG GF, PET-G Premium, HDPE, PC CF, PC/PTFE, PC/ABS FR V0, ABS, ASA, PLA	7, 8, 12, 15, 17, 27, 28, Appendix B
Sunlu	PLA, PETG, TPU 95A, PP, generic Nylon (budget tier)	6, 7, 11, 13, 16, 27
Tangled Filament	PCTG (aggressive pricing target)	8
Taulman	t-glase (PETT high-clarity copolyester)	7
UltiMaker	PP (2.85 mm, ecosystem-tuned)	11
Verbatim	BVOH (soluble support)	20

Appendix D — Consolidated references

Source list for the data values, methodologies, and references cited throughout the volume. Per the editorial principle in §1.3, the citation hierarchy is manufacturer filament TDS first, resin manufacturer TDS second, peer-reviewed literature and independent testing third, with vendor marketing relegated to the bottom of the source stack. Where a stable canonical location exists, the URL is given below with the date it was last checked (May 2026). Filament technical datasheets are versioned and their document paths change with vendor website updates; for those, the manufacturer's official domain is given as the stable entry point rather than a deep link that will rot, and the reader should expect the live TDS to supersede any figure quoted here. This list does not claim per-claim version provenance: individual numeric values were drawn from whichever TDS revision was current during preparation, and that revision is not always recoverable. The Source manifest page makes that state explicit per table — every numbered table is mapped to its source basis and a provenance class (versioned, ledgered, domain-and-window, bench-measured, or synthesis), so the recoverable and unrecoverable value classes are visible and re-verification is trackable table by table. Values that drive material selection should be tied back to the relevant table note or current TDS, including method, specimen type, print orientation, dry/wet conditioning, and anneal state. Treat the volume's figures as starting points to be confirmed against current vendor data, exactly as §1.3 and the Preface state.

D.1 Independent testing datasets

MyTechFun comparative filament test database. An independently compiled dataset of tensile, layer-adhesion, and thermal measurements for a large number of filaments, tested on a single reference machine with a uniform test geometry. It is a useful cross-brand sanity check on manufacturers' TDS-published values. The database is the property of its author and is distributed to the project's Patreon supporters; its specific measured values are not reproduced in this volume. Readers who want the underlying numbers should obtain them directly from the MyTechFun project (mytechfun.com and the associated Patreon), under that project's own terms. §22.4 consolidates, in general terms, the patterns such independent testing reveals — datasheet stiffness overstating printed-part performance, heat figures diverging by test method, and brand variance defeating category labels — with the family-specific deltas in §13.7 and §14.11; none of these sections cites the database's figures.

Prosumer-printer community troubleshooting analysis. The author's statistical analysis of ~910 community-reported troubleshooting threads on a single prosumer printer model, classified into 15 issue categories. Cited in the polymer chapters as the empirical basis for the relative frequency of failure modes (VFA, layer adhesion loss, bed adhesion, warp) across polymer families. Method and classifier are documented in the author's published write-up; see the revision note in D.5 for where errata and supporting material are tracked.

Califlower Mk2 dimensional calibration methodology. A multi-feature XY-shrinkage test geometry published on community model repositories alongside the calibration methodology used throughout this volume. Provides both external and internal dimensional checks for shrinkage compensation tuning. The model and accompanying method notes are published on its creator's (Vector3D's) Printables profile (accessed May 2026).

D.2 Manufacturer technical datasheets Filament TDS data is cited from the manufacturers' published documents on their official websites and distributor portals. The principal manufacturer reference points used across the volume:

Manufacturer	Product families with TDS data cited
3D-Fuel	Pro PCTG, ReFuel PCTG
3DXTech	CarbonX, ThermaX, FluorX, 3DXSTAT product families
AzureFilm	PC-ABS
Bambu Lab	PC, PC FR, PPA-CF, PAHT-CF, PA6-CF, PA6-GF, TPU 95A
Braskem	FL900PP-CF, FL500PP-GF, FL100PP, FL105PP, FL300PE
Eastman	Tritan TX1001 resin TDS (foundational reference for “PCTG”-marketed filaments; strictly, Tritan is a TMCD-containing terpolymer, chemically distinct from CHDM-based PCTG — see §8.1)
Fiberlogy	PCTG, PA12, PP, R PP
Fillamentum	PP 2320, PLA-PHA NonOilen
Forward AM Technologies (ex-BASF; Stratasys, 2025)	Ultrafuse PC/ABS FR, PC GF30, TPU
NinjaTek	NinjaFlex, Cheetah, Armadillo
Polymaker	PolyMax PC, PC-ABS, PC-PBT, Fiberon PA, PolyDissolve, PolyTerra, PolyMax PETG
PPprint	P-filament 721, P-support 279
Prusament	PC Blend, PC Blend CF, PC Space Grade, ASA, PETG, PVB, PA11-CF, PP CF, PP GF, PLA
Recreus	FilaFlex product line
Siraya Tech	Fibreheart PPA/PPA-CF/PPA-CF Core, TPU 64D, foaming product line
Spectrum	PCTG, PC CF, PC/PTFE, PC/ABS FR V0, HDPE

_{Table D.1 — Manufacturer TDS sources by filament family. Each manufacturer publishes current technical datasheets on its official domain (e.g. bambulab.com, prusa3d.com, polymaker.com, 3dxtech.com, fiberlogy.com, spectrumfilaments.com, forward-am.com, eastman.com); those domains are the stable entry point and were the live source checked May 2026 (forward-am.com corrected from a stale domain and re-checked July 2026). Deep links to individual TDS PDFs are deliberately not listed because vendors revise document paths frequently — but, unlike a prior revision of this appendix, the official domains above are given so the source is locatable. Where a datasheet states a version, the volume cites it inline (for example Table 14.6 cites the Bambu Lab PPA-CF TDS V1.0); where it does not, the figure should be treated as the revision current at the time of writing and reconfirmed against the live TDS.}

D.3 Resin manufacturer reference data Base-polymer TDS data is cited from the resin producers where the filament TDS is silent on a property of interest and the filament is clearly built on a documented resin grade. The principal resin producers referenced, with their official material-data domains (accessed May 2026):

• Eastman — Tritan, Amphora, Eastar copolyester grades (eastman.com; product catalog at productcatalog.eastman.com).

• Covestro — Makrolon polycarbonate (covestro.com / solutions.covestro.com).

• SABIC — Lexan PC, ULTEM PEI (sabic.com).

• BASF — Elastollan TPU, Ultramid PA, Ultrason PSU/PPSU (basf.com; Forward AM at forward-am.com).

• Arkema — Pebax PEBA, Kynar PVDF (arkema.com; hpp.arkema.com for the Kynar fluoropolymer family).

• Solvay / Syensqo — Radel PPSU, Ryton PPS, KetaSpire PEEK, AvaSpire PAEK (syensqo.com, formerly solvay.com specialty polymers).

• Celanese (formerly DuPont) — Zytel and Zytel HTN polyamides, acquired in the 2022 DuPont Mobility & Materials divestiture (celanese.com). Delrin POM sits with the Delrin successor entity after the 2023 majority sale to The Jordan Company (delrin.com).

• Victrex — PEEK 450G and related grades (victrex.com).

• Kuraray — Genestar PA9T (kuraray.com). Resin TDS and SDS documents on these domains are versioned; cite the version shown on the retrieved document for any audit use.

D.4 Standards bodies and occupational safety Test-method standards are cited by their standard number, which is the stable identifier; full texts are obtained from the issuing body's catalog. Mechanical testing: ISO 527 (tensile), ISO 178 (flexural), ISO 179 / ISO 180 (Charpy / Izod impact); ASTM D638 (tensile), ASTM D790 (flexural), ASTM D256 (Izod) — ISO standards via iso.org, ASTM standards via astm.org. Thermal testing: ISO 75 / ASTM D648 (HDT), ISO 306 / ASTM D1525 (Vicat), ASTM D3418 (DSC), ASTM D955 (mold shrinkage); UL 746B (long-term thermal aging — the relative thermal index, RTI, behind the continuous-service guidance in Appendix A.1), via ulse.org. Optical and surface: ASTM D1003 (haze and transmittance), ASTM D785 (Rockwell hardness). Flammability: UL94 (flame test, via ulse.org), EN45545 (rail-vehicle fire-safety, via cen.eu / national standards bodies).

Indoor air and emissions. ANSI/CAN/UL 2904, "Standard Method for Testing and Assessing Particle and Chemical Emissions from 3D Printers" (second edition, 2023, superseding the 2019 first edition) — UL Standards & Engagement, ulse.org; background and the underlying UL Chemical Safety / Georgia Tech research at chemicalinsights.ul.org. NIOSH, "Approaches to Safe 3D Printing: A Guide for Makerspace Users, Schools, Libraries, and Small Businesses," DHHS (NIOSH) Publication No. 2024-103, at cdc.gov/niosh/docs/2024-103/. NIOSH Health Hazard Evaluation Report 2017-0059-3291, "Evaluation of 3-D Printer Emissions and Personal Exposures at a Manufacturing Workplace," at cdc.gov/niosh/hhe/ (reports/pdfs/2017-0059-3291.pdf). All accessed May 2026.

Food contact and biocompatibility. U.S. FDA food-contact regulations under 21 CFR Part 177 (polymer-specific subparts), via ecfr.gov; NSF/ANSI 51 (food-equipment materials) and NSF/ANSI/CAN 61 (drinking-water system components), via nsf.org. FDA, "Technical Considerations for Additive Manufactured Medical Devices — Guidance for Industry and Food and Drug Administration Staff" (finalized 5 December 2017; docket FDA-2016-D-1210), via fda.gov. ISO 10993-1, "Biological evaluation of medical devices — Part 1: Evaluation and testing within a risk management process," via iso.org. All accessed May 2026. As §8.9 and §19.4 stress, food-contact and biocompatibility certifications attach to a resin grade or a cleared device and validated process — not to filament generically.

D.5 Editorial scope and revision context This volume was compiled May 2026, with brand surveys current to early 2026 and calibration profiles measured on the author's prosumer hardware in 2025–2026. The polymer-chemistry foundations and process-physics principles will remain accurate; the brand surveys, price ranges, and specific product availability will drift and should be verified against current vendor data for procurement decisions. Errata and updates are tracked on the author's GitHub repository alongside the supporting calibration methodology and the associated slicer calibration-edition fork.

Revision and verification policy. The volatile content classes — brand surveys, prices, product availability, and regulatory notes — should be re-verified against live sources on a roughly six-month cadence, with the check date recorded in the affected table note; the chemistry and process-physics content does not drift. Verification history: compiled May 2026; four independent accuracy passes in July 2026 corrected 173 findings (pass 4, July 10, was a full-content audit of every content page against primary sources, itemized finding-by-finding in its pass commit), and a full external review of accuracy, organization, and coverage was implemented in July 2026 (Chapters 29–32 and Appendices E–F date from that pass). The itemized changes are tracked in the repository commit history; regulatory notes last checked July 2026.

D.6 Source ledger Where a specific document version, revision, or docket number is known, it is recorded here so a numeric claim can be audited against the exact source revision. Values without a versioned entry are traceable only to the vendor domain and retrieval window per D.2; extend this ledger when adding or re-verifying values. The table→source direction is mapped on the Source manifest page, which check-cross-references.py keeps synchronized with the volume's table inventory.

Source	Version / identifier	Used in	Checked
Bambu Lab PPA-CF TDS	V1.0 (dry-conditioned single-material data only)	Table 14.6 (dry values)	May 2026
Bambu Lab PPA-CF product page	vendor page (dry/wet property pairs and the PA6-CF / PAHT-CF comparison)	Table 14.6 (wet values and cross-product comparison)	July 2026
Polymaker PolyMax PC TDS	V5.4	Table 15.1 (tensile 53.4 MPa)	July 2026
Forward AM Ultrafuse PC/ABS FR TDS	v1.2	Table 15.4	July 2026
EPA methylene chloride final rule	89 FR 39254 (May 2024)	Table 26.1 regulatory note; §5.3	July 2026
EPA methylene chloride risk-management page	epa.gov/assessing-and-managing-chemicals-under-tsca/risk-management-methylene-chloride	Table 26.1 regulatory note (compliance-date updates)	July 2026
OSHA methylene chloride standard	29 CFR 1910.1052 (osha.gov standard page; treats MC as a potential occupational carcinogen)	§5.3, Table 26.1 regulatory note	July 2026
IARC dichloromethane classification	Group 2A — Monographs Volume 110 (2017), "Some Chemicals Used as Solvents and in Polymer Manufacture"	§5.3, Table 26.1 regulatory note	July 2026
ISO 18064	2022 edition (ed. 3, 2022-04) — the TPS-H/TPS-N restructuring in Table 16.1 verified against the standard's own text (ISO 18064:2022 §6.4, verified July 2026)	§16.1, Table 16.1	July 2026
NIOSH Approaches to Safe 3D Printing	DHHS (NIOSH) Publication No. 2024-103	§5.1, D.4	May 2026
NIOSH Health Hazard Evaluation	Report 2017-0059-3291	D.4	July 2026
Eastman Tritan TX1001 TDS	revision current at compilation	Table 8.2	May 2026
Siraya Tech Fibreheart PPA user manual	vendor page	§3.6, §14.9 annealing protocol	July 2026
3DXTech FibreX PPA+GF15 product page	vendor page	§14.6 and Table 14.7 hardware note	July 2026
igus iglidur i151 product page	vendor page	Table 28.1 food-contact note	July 2026
Arkema Kynar 740 material data sheet (distributor copy, Professional Plastics)	HDT 135 °C @ 0.46 MPa / 105 °C @ 1.8 MPa; Tm 168 °C; UL94 V-0	Table A.1 PVDF HDT re-basis (note e)	July 2026
TH3D Bed Cement product page	vendor page (reapplication every 5–10 prints)	Table 24.2	July 2026
colorFabb varioShore TPU product page	vendor page (colorfabb.com/varioshore-tpu-natural; foaming activation ~200–250 °C, sold since 2020)	§16.9 foaming-TPU reference product	July 2026

Appendix E — Regulatory and compliance quick reference

The compliance-adjacent facts in this volume are scattered where they arise — food contact in §8.9, BPA in §15.1, UL94 and rail fire safety in §15.6, sterilization in §18.2, medical claims in §19.4, solvent regulation in Table 26.1. This appendix consolidates them into one orientation table for the procurement reader, under four caveats that outrank every cell below. First, this is orientation, not compliance advice; the applicable standard and the authority having jurisdiction govern. Second, certifications attach to a specific resin grade, filament SKU, or cleared device-plus-process — never to a polymer name (§8.9, §19.4). A cell reading "pathway exists" means members of that polymer family hold such certifications, not that any given spool does. Third, an FDM-printed surface is not the certified article: layer lines harbor bacteria and hotend residue, UL94 ratings are issued for molded bars at stated thicknesses, and printed parts require their own qualification regardless of resin pedigree. Fourth, verify against the current TDS and declaration of conformity for the actual spool and batch.

Polymer	Food contact (resin level)	Biocompatibility precedent	UL94 (typical)	Sterilization (steam · EtO · gamma)
PLA	Declarations common on major resins	Resorbable medical PLLA is a distinct grade class, not filament	HB	No steam (Tg ~60 °C) · EtO per grade · gamma per grade
PETG / PCTG (Tritan-class)	The volume's resin-level defaults: Tritan carries FDA 21 CFR and NSF/ANSI 51/61 claims (§8.9)	Medical-packaging heritage (PETG is the standard sterile-tray thermoform)	HB	No steam (Tg 75–95 °C) · EtO routine · gamma-tolerant in packaging practice
ABS / ASA	Not food-contact oriented	—	HB (FR-ABS grades exist off-volume, §1.2)	No steam · EtO per grade · gamma acceptable
PP	Ubiquitous at resin level; filament declarations exist (Fillamentum, Centaur — §11.5)	PPprint P-filament 721: DIN EN ISO 10993-5 (§11.5)	HB	Molded PP autoclaves; printed PP at 121 °C sits near its creep limits — validate (§11.10) · EtO fine · gamma embrittles standard grades (stabilized grades exist)
PE / HDPE	Ubiquitous at resin level; grade-dependent (§12.1)	—	HB	No steam (Vicat ~125 °C) · EtO fine · gamma acceptable
PA (nylons)	Food-contact PA grades exist; verify per filament	Grade-specific only	HB	Steam poor — hydrolysis plus moisture property loss (§13.2) · EtO fine · gamma acceptable
PC / PC blends	Displaced by BPA perception (§15.1); copolyester is the volume's alternative	—	HB; V-0 via FR grades (Table 15.4); EN 45545 rail sets on Ultrafuse PC/ABS FR	Steam contraindicated — PC hydrolyzes under autoclave cycling (§18.2) · EtO fine · gamma yellows
TPU / TPEE / PEBA	Grade-specific	Skin-contact wearables routine; medical TPU and PEBA (Pebax) have deep device heritage — grade-specific	HB	No steam · EtO per grade · gamma per grade
POM	Food-contact grades exist in molded practice	—	HB (POM burns readily; no consumer FR variant)	Steam marginal (copolymer better than homopolymer) · EtO fine · gamma contraindicated — chain scission with formaldehyde release
PVDF	Potable-water heritage at resin level (NSF/ANSI 61-class listings on Kynar piping grades)	—	V-0 intrinsic (Kynar 740 TDS — D.6)	Steam yes (Tm 168 °C, chemically inert) · EtO fine · gamma generally serviceable, grade-specific
PPS	Not food-oriented	—	V-0 intrinsic, no additive package (§18.1)	Steam yes · EtO fine · gamma fine
PSU / PPSU	Food-equipment and drinking-water pathways exist at resin level	Medical-instrument heritage (§18.2)	PPSU V-0 (grade/thickness-dependent); PSU grade-dependent	The steam champions: PPSU survives repeated autoclave cycles when grade, stress state, and design are appropriate (§18.2); PSU good but below PPSU · EtO fine · gamma fine
PEI (ULTEM-class)	Food-equipment pathways exist (reusable-ware heritage)	Sterilization-tray heritage	V-0 intrinsic, low smoke (§18.3)	Steam yes · EtO fine · gamma fine
PEEK / PEKK	Grade-specific	Implant-grade resin precedent exists only inside cleared device-plus-process systems — see the §19.4 caution in full	V-0 intrinsic	Steam yes — repeated autoclave is a core PEEK credential (§19.4) · EtO fine · gamma fine
PCL	—	Medical orthotic use; resorbable medical grades exist (§21.2)	HB	No heat sterilization of any kind (Tm ~60 °C) · EtO or gamma only

_{Table E.1 — Regulatory and compliance orientation by polymer family. "HB" and "V-0" are UL94 classifications; "intrinsic V-0" means the base chemistry achieves the rating without an additive package, which survives reformulation better than additive-FR ratings do — but every UL94 rating is issued for a specific compound at a specific thickness as molded, so a printed part inherits no rating automatically (§15.6). Sterilization entries are compatibility statements, not validated cycles; single-cycle survival is not a service rating (§18.2). The underlying standards — 21 CFR 177, NSF/ANSI 51 and 61, ISO 10993, UL94, EN 45545 — are indexed with sources in Appendix D.4. Adjacent compliance axes not tabulated here: vacuum-service outgassing (Prusament PC Space Grade, §15.5) and the DCM consumer-sale ban (Table 26.1).}

Appendix F — Glossary and abbreviations

Terms and initialisms used across the volume, with the section where each is treated. Polymer names themselves (PLA, PETG, PCTG, ABS…) are defined in their family chapters — see the Contents page; this list covers the vocabulary the volume otherwise assumes.

• AMS-style buffer — multi-spool filament changer/feeder enclosure (after Bambu's Automatic Material System); generically, a buffer system (§11.9, §4.3).
• CF / GF — chopped carbon fiber / glass fiber reinforcement (Chapter 29).
• CHDM — 1,4-cyclohexanedimethanol; the diol whose fraction defines PETG vs PCTG (§2.1).
• CNT — carbon nanotube; conductive additive behind most ESD grades (§15.5).
• COF — coefficient of friction (§28.1).
• CoPA — co-polyamide; random copolymer of two nylon chemistries, the usual "generic nylon" (§13.1).
• CRR — chemical resistance ratio; a vendor comparative metric (3D-Fuel) for chemical exposure performance (§8.4).
• CTE — coefficient of linear thermal expansion.
• DCM — dichloromethane (methylene chloride); regulated solvent (Table 26.1).
• DSC — differential scanning calorimetry; the thermal-analysis method that identifies T_g, T_m, and crystallinity (§14.1).
• EM — extrusion multiplier (slicer flow ratio) (§23.4).
• ESCR — environmental stress cracking resistance (§12.2).
• ESD — electrostatic dissipative (§15.5).
• EtO — ethylene oxide gas sterilization (§18.2, Appendix E).
• FDM / FFF — fused deposition modeling / fused filament fabrication; used interchangeably here (§1).
• FGF — fused granulate fabrication; pellet-fed extrusion AM, out of scope (§1.2).
• FR — flame retardant; an additive package or a grade carrying one (§15.6).
• HDT — heat deflection temperature; meaningless without its load basis, 0.45 or 1.80 MPa (§1.4, §22.4).
• HF — hydrogen fluoride (§5.3, §17.3); also "high-flow" in hotend and product names — context disambiguates.
• HTPLA — high-temperature (nucleated, annealable) PLA (§6.2, §6.6).
• IARC — International Agency for Research on Cancer; its Group 2A classification appears in the DCM notes (§5.3).
• IDEX — independent dual extruder architecture (§25.1).
• LW-PLA — lightweight (chemically foaming) PLA (§6.2).
• MEK — methyl ethyl ketone (butanone); solvent (§8.4).
• MFR — melt flow rate, g/10 min under a standard load and temperature (§11.5).
• MMU — multi-material unit; single-nozzle filament switcher (§25.1).
• MVF (max volumetric flow) — the hotend's melt-rate ceiling in mm³/s; the §23.3 calibration output.
• NFC — near-field communication; spool tagging for ecosystem printers (§11.5).
• NIOSH — the US National Institute for Occupational Safety and Health; source of the emissions guidance in §5.1 and D.4.
• PA (pressure advance) — firmware compensation for melt-path elastic lag (§23.5). In material contexts PA is polyamide (Chapter 13); the volume flags the calibration sense where ambiguity is possible.
• PCD — polycrystalline diamond; the most wear-resistant nozzle-tip class (§4.1).
• PCR / PIR — post-consumer / post-industrial recycled content (§27.3).
• PEI (build surface) — polyetherimide as a plate coating (§4.2); the same polymer printed as a filament is the Chapter 18 material — one polymer, two roles.
• PPE — personal protective equipment (§5.3).
• PTFE — polytetrafluoroethylene; liner tubing (§5.3, §15.7) and a dispersed solid lubricant (§28.2).
• PV limit — pressure × velocity ceiling of a sliding pair (§28.1).
• PVP — polyvinylpyrrolidone; the chemistry behind most glue-stick and coating release layers (§24.2).
• QUV — accelerated-weathering apparatus; shorthand for documented UV exposure hours (§8.11).
• RH — relative humidity.
• ROP — ring-opening polymerization; the commercial route to PLA (§6.1).
• RTI — relative thermal index (UL 746B); the long-term thermal rating behind Appendix A.1's continuous-service column (D.4).
• SDS — safety data sheet.
• SEBS / SBS — styrenic block copolymers; the usual chemistry behind bare-"TPE" spools (§16.1).
• Shore A / Shore D — indentation-hardness scales for elastomers and semi-rigid plastics (§16.3).
• TDS — technical data sheet; the volume's Tier 1 source class (§1.3).
• TMCD — 2,2,4,4-tetramethyl-1,3-cyclobutanediol; the third monomer that makes Tritan a terpolymer (§2.1, §8.1).
• TPA — terephthalic acid, the aromatic diacid of the polyester family (§2.1, §8.1); ISO 18064 separately uses TPA for polyamide-block elastomers (§16.1) — an unavoidable collision the context resolves.
• TSCA — the US Toxic Substances Control Act; the statutory basis of the EPA DCM rule (Table 26.1).
• UFP — ultrafine particles (§5.1).
• VFA — vertical fine artifacts; the fine, regularly spaced vertical surface ripples classed as a motion-system/extrusion artifact in the troubleshooting dataset (D.1).
• Vicat — Vicat softening temperature; needle-penetration method, not interchangeable with HDT (§1.4).
• VOC — volatile organic compound (§5.1).
• XY / Z — in-plane vs across-layer print directions; the anisotropy axes (§1.4, §3.1).

Appendix G — License and terms of use

This document is released under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International license (CC BY-NC-ND 4.0). The full legal text and the plain-language summary are published by Creative Commons at creativecommons.org/licenses/by-nc-nd/4.0/. The summary below states what that license means in practice; where this summary and the official license text differ, the official text governs.

G.1 What you may do

• Download and keep it. You may download this document, store it, and read it on any device, at no cost.

• Share it unchanged. You may copy and redistribute the document in any medium or format — for example, sharing the PDF with others or hosting it for free download — provided it is the complete, unmodified document.

• Use it freely for your own work. You may apply the information here to your own printing, calibration, and material-selection decisions without restriction.

G.2 Conditions and limits

• Attribution. When you share the document, keep the author identifier ("hyiger") and this license notice intact, and do not imply the author endorses you or your use of it.

• NonCommercial. You may not use the document, in whole or in part, for commercial purposes. It may not be sold, bundled into a paid product or service, placed behind a paywall, or used primarily for commercial advantage or monetary compensation.

• NoDerivatives. If you remix, transform, adapt, or otherwise build upon the document, you may not distribute the modified material. Share it as the complete original document, not as excerpts repackaged as a new work. (Brief quotation for review, commentary, teaching, or similar purposes, where permitted by applicable copyright exceptions such as fair use or fair dealing, is unaffected by this license.)

G.3 No warranty and limitation of liability This document is provided as-is and as-available, for general informational and educational purposes only. To the fullest extent permitted by law, the author offers it with no warranties of any kind concerning the document — express, implied, statutory, or otherwise — including, without limitation, warranties of accuracy, completeness, fitness for a particular purpose, or absence of errors. This as-is/as-available disclaimer is part of the CC BY-NC-ND 4.0 license and is restated here for clarity.

3D printing involves high temperatures, moving machinery, electrical equipment, solvents, and material emissions. The processes, temperatures, chemicals, and settings described in this document carry real risk of personal injury, property damage, and equipment damage. Material data is summarized from manufacturer datasheets and other sources that change over time and may contain errors. You are responsible for your own safety and for verifying any information before you rely on it. Follow the safety data sheet and technical datasheet for your specific filament, the documentation for your specific hardware, and the chemical-handling and ventilation guidance appropriate to your workspace.

To the fullest extent permitted by applicable law, the author ("hyiger") accepts no liability for any loss, injury, or damage of any kind arising from the use of, or reliance on, this document or the information in it. Use of this document is entirely at your own risk.

G.4 Trademarks and third-party material Brand names, product names, company names, and standards designations in this document are the property of their respective owners and are used for identification and descriptive purposes only. Their use does not imply any affiliation with, sponsorship by, or endorsement from those owners. This license covers the text and original tables of this document; it does not grant any rights in third-party trademarks, datasheets, standards texts, or other referenced material, which remain governed by their own terms.

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