3D Printing Info

Filament comparison

PC-ABS vs TPU 98A

Compare printing settings, strength, heat resistance, dated prices and sources.

PC/ABS blend guideTPU 98A / hard TPU guide

2 selected · all documented properties

Open these two in the interactive comparisonMore PC-ABS comparisonsMore TPU 98A comparisons
PC-ABS vs TPU 98A — documented properties and sources
PropertyPC/ABS blendPCTPU 98A / hard TPUFLEX
Market snapshot
Listing priceUSD/kg; dated snapshots$45.99/kg median; $34.99–$84.00/kg across 5 dated product listings$94.99/kg median; $34.99–$149.99/kg across 3 dated product listings
Identity & Market
Base polymer / chemistryPolycarbonate/ABS alloy — PC stiffness and heat resistance with ABS processability[1][2]Hard thermoplastic polyurethane at 98 Shore A to about 60 Shore D — the rigid end of the TPU range[3][4]
Densityg/cm³1.10 (Polymaker) and 1.24 (3DXTech FR grade), ISO 1183; Stratasys specific gravity 1.10 (ASTM D792)[1][2][5]1.23 (Fillamentum Flexfill 98A); 1.2 (Extrudr FLEX HARD, ISO 2781)[3][4]
Typical priceUSD/kg1 kg spools cluster near 50[6][7]1 kg spools cluster near 150[8]
Price range across brandsUSD/kg35–84 across brands; Reli3D 35, SUNLU 46, Polymaker 50, 3DXMAX 84[6][7][9][10]95–150 across brands; Proto-pasta Clear Rigid TPU 95, Push Plastic TPU 100A 150[11][8]
Market availability1–5Available from several mainstream brands[6][7]Available from several mainstream brands[8][11][4]
Spool sizes & diameters1.75 and 2.85 mm; 0.5 and 1 kg spools[6][7]1.75 and 2.85 mm; 0.5, 0.75 and 1 kg spools[11][8]
Typical applicationsAutomotive interior and electronics housings that need PC heat resistance without PC's warping[1]Drive belts, wheels, snap-fits and bumpers that need to flex but hold shape under load[3]
Printing Parameters
Nozzle temperature°C250–270 (Polymaker)[1]230–260 (Extrudr FLEX HARD)[4]
Bed temperature°C90–105 (Polymaker)[1]50–90 (Extrudr FLEX HARD)[4]
Enclosure / chamber requirement1–5Enclosure required (passive) — Polymaker specifies a 90–100 °C chamber[1]Open frame is fine[4]
Recommended chamber temperature°C90–100 (Polymaker)[1]Not documented
Part cooling fanOff (Polymaker)[1]0–30 % (Extrudr FLEX HARD)[4]
Bed surface & adhesion aidPEI with a glue stick or a commercial adhesive[12]PEI sheet or painter's tape; Polymaker warns TPU can over-stick and advises a glue stick as a release agent[13][14]
Maximum volumetric flow (mm³/s; see test conditions)mm³/s20 at Polymaker's 250 mm/s cap on a 0.4 mm nozzle at 0.2 mm layer[1][15]4.6 (Extrudr FLEX HARD, stated max volumetric speed on a 0.4 mm nozzle)[4]
Warping tendency1–5High — enclosure needed for reliable large parts[1][16]None[4]
Bed-adhesion difficulty1–5Needs a specific surface plus adhesive[12][17]Not documented
Stringing / oozing tendency1–5Moderate — retraction tuning needed; Polymaker flags stringing as a common PC problem[17]Not documented
Overall printing difficulty1–5Advanced — enclosure, hardware upgrades, tuning[1][16]Easy — minor profile tuning; at this hardness the filament pushes like a rigid material[4]
Extruder requirementNot documentedBowden viable at this hardness — Extrudr rates FLEX HARD to 100 mm/s where its soft grades cap lower[4]
Hardware Wear & Reliability
Nozzle hardness required1–4Brass fine indefinitely[16]Brass fine indefinitely[4]
Abrasiveness1–5Non-abrasive[1]Non-abrasive[4]
Nozzle clog risk1–5Moderate — needs dry filament and a clean nozzle; 3DXTech lists no special nozzle concerns but a 120 °C pre-dry of 4 h or more[18]Low[19]
Heat-creep / jam sensitivity1–5Slightly sensitive[12]Moderate — good heatbreak cooling needed[14]
Hotend requirementAll-metal hot end required (Simplify3D)[12]No special hot-end required, but a direct-drive extruder is (Simplify3D)[13]
Moisture Behaviour
Moisture absorption (hygroscopicity)1–5Low (0.1–0.3 %) — the PC matrix takes up 0.15–0.25 % and 3DXTech specifies a 120 °C, 4 h or more pre-dry[20][21][18]Moderate — the TPU family absorbs readily; Extrudr specifies a 12 h dry at 60 °C for FLEX HARD[4][19]
Drying temperature & time75 °C for 6 h (Polymaker)[1]60 °C for 12 h (Extrudr FLEX HARD)[4]
Symptoms when wetBubbling and popping at the nozzle, stringing and a rough surface[19]Bubbling and popping at the nozzle, stringing and a rough surface[19]
Effect of moisture on strengthNo dry-versus-conditioned figures are published. Polymaker calls PC highly hygroscopic and requires a 70–80 °C dry for 6–8 h; run wet, the loss shows as surface defects and poor layer adhesion[17][19]Polymaker groups TPU with the highly hygroscopic materials; no dry-versus-conditioned figures are published[19]
Storage requirementAirtight containers with desiccant to prevent reabsorption[17]Sealed with desiccant; often kept in a dryer during the print[19]
Mechanical Properties
Tensile strength (XY)MPa39.9 ± 1.0 printed XY, ISO 527 (Polymaker); 3DXTech quotes 60 at break for its FR PC/ABS[1][2]53.7 at break (Fillamentum Flexfill 98A, DIN 53504)[3]
Young's modulusMPa1835 ± 65 printed XY, ISO 527 (Polymaker); 3DXTech quotes 2250[1][2]Not documented
Elongation at break%4.2 ± 0.3 printed XY, ISO 527 (Polymaker); 3DXTech quotes 10 at break[1][2]318 at break (Fillamentum Flexfill 98A, DIN 53504); Extrudr FLEX HARD 490 (ISO 527-2)[3][4]
Flexural strengthMPa66.3 ± 0.9 printed XY, ISO 178 (Polymaker); 3DXTech quotes 85[1][2]Not documented
Flexural modulusMPa2081 ± 106 printed XY, ISO 178 (Polymaker); 3DXTech quotes 2300[1][2]Not documented
Charpy impact, notchedkJ/m²25.8 ± 1.3 printed XY, ISO 179, notched (Polymaker) — above both unfilled PC and ABS[1]Not documented
Other impact dataNotched Charpy still 13 ± 2 kJ/m² at −30 °C printed XY (Polymaker, ISO 179-1/1eA), against 1.5 in Z. Stratasys prints Izod notched at 241 J/m XZ against 34.0 J/m ZX, and unnotched 655 against 101 J/m (ASTM D256, F900 T16).[1][5]Not documented
Layer adhesion / Z tensileMPa25.9-30.2 at break printed ZX (Stratasys, ASTM D638 on the F900 and Fortus 450mc); 22.9 +/- 1.2 printed Z, ISO 527 (Polymaker)[1][5]Not documented
Brittleness1–5Tough — absorbs impact, yields before breaking[1]Very ductile — bends far before failing[3]
Hardness (scale-specific)Shore A / Shore D / RockwellRockwell 70 (118) — the source does not name the scales and Shore D 79 on extruded unfilled PC stock (ASTM D785, D2240); no figure is published for a PC/ABS filament[22]98 Shore A and 60 Shore D (Fillamentum, ISO 7619-1); Extrudr FLEX HARD 58 Shore D (ISO 868)[3][4]
Creep resistance / sustained load1–5Good. Room-temperature tensile creep of moulded PC/ABS was still running unbroken at 30 MPa when the experiment was stopped for time; specimens failed within the test window at 39-47 MPa (ASTM D638)[23]Poor — no 98A creep test; a printed 95A TPU bar crept from 74.5 to 82.7 mm over 5 days at 1.25 kg[24]
Fatigue / repeated-flex resistance1–5Not documentedExcellent — living hinges viable[14]
Elasticity / flexibility1–5Rigid[1]Semi-flexible[3][4]
Z strength as % of XY%75-86 (Stratasys ZX against XZ tensile at break, ASTM D638) against 57 (Polymaker, printed Z against XY tensile)[1][5]Not documented
Wear resistance & frictionNot documentedAbrasion 23 mm³ (Fillamentum, ISO 4649 method A) and 26 mm³ (Extrudr FLEX HARD, ISO 4649-A) — the best abrasion figures in the group[3][4]
Thermal Properties
HDT at 0.45 MPa°C112 (ISO 75 at 0.45 MPa, Polymaker); Stratasys prints 117.9 in XY and 126.1 in XZ (ASTM D648 Method B at 66 psi), against 125.0 moulded[1][5]Not documented
HDT at 1.8 MPa°C106 (ISO 75 at 1.8 MPa, Polymaker); Stratasys prints 107.5 in XY and 112.0 in XZ (ASTM D648 Method B at 264 psi), against 102.9 moulded[1][5]Not documented
Glass transition (Tg)°C109 (Polymaker) and 137 (3DXTech FR grade), DSC; Stratasys measures 105.3 (ASTM D7426 inflection point)[1][2][5]Not documented
Melting point / Vicat°CAmorphous — no melting point; Vicat 135 (Polymaker, ISO 306)[1]190–210 melting (Extrudr FLEX HARD, ISO 3146-C); Vicat A 140 (ISO 306)[4]
Continuous service temperature°C113 — Prusa publishes this as the temperature resistance of Prusament PC Blend[21]Not documented
Annealing response90 °C for 2 h (Polymaker)[1]Not documented
Thermal expansion (CTE)µm/m·K59.9 over -50 to 35 °C and 73.0 over -50 to 95 °C (printed XY, ASTM E831)[5]Not documented
Environment & Chemical
UV resistance1–5Degrades within weeks outdoors[17]Good — years with some colour shift; Polymaker lists UV exposure among the conditions TPU withstands[14]
Chemical resistanceWithstands oils, solvents and fuels; Polymaker rates it good against weak acids[17]Withstands industrial solvents and UV exposure (Polymaker)[14]
Food contactBisphenol-A polycarbonate is not offered as food-contact filament[17]Not food safe without specific certification (Polymaker)[14]
Biodegradability / compostabilityNot biodegradable[17]Not biodegradable[14]
RecyclabilityMechanically recyclable but not accepted in household plastic collection[17]Not accepted in household plastic collection[14]
Health & Safety
Fume toxicity1–5Moderate — measurable VOCs and UFPs, ventilation advised[25]Low hazard — minimal VOC and particle emission; TPU was not among the nine filaments in the chamber study[25]
Ultrafine-particle emission rateparticles/min≈4 × 10¹⁰ median — the highest ultrafine-particle rate of the nine filaments in the chamber study, above every ABS tested[25]Not documented
Ventilation / filtration requirement1–5Ventilated room or enclosure recommended[25][16]Open a window / occasional ventilation[25]
Post-Processing
Sanding & machiningSands and machines well; the toughness means it cuts rather than chips[12]Difficult to sand or smooth; Polymaker limits post-processing to trimming or tumbling[14]
Gluing & solvent weldingCyanoacrylate; dichloromethane solvent-welds PC but is a laboratory reagent[12]Cyanoacrylate bonds TPU; no common solvent welds it[14]
Vapour / chemical smoothingAcetone attacks the ABS phase, so surface smoothing is partial rather than full[1]No practical vapour smoothing[14]
Support material pairingPrints its own supports; 3DXTech sells a dedicated PC break-away support[12]Polymaker warns TPU supports are often very difficult to remove[14]
Dimensional accuracy & detailNot documentedTear strength 170 kN/m (Fillamentum, ISO 34-1) and 175 kN/m (Extrudr FLEX HARD, ISO 34-1B)[3][4]
Solvents & Solubility
Soluble inDichloromethane and chloroform dissolve the PC phase; acetone, MEK and THF dissolve the ABS phase.[26][27]DMF, DMSO, NMP and THF dissolve TPU; acetone, MEK and cyclohexanone are partial solvents. All laboratory reagents.[28]
Softened or crazed byPetrol, esters, ether and 1 % alkali stress-crack the PC phase; aromatics and esters soften the ABS phase.[26][27]Toluene and benzene swell it up to +50 % by weight at 23 °C; esters swell it severely; ethanol and IPA soften it.[28]
Solvent welding & smoothing agentAcetone attacks only the ABS phase, so smoothing is partial; a dichloromethane cement welds the whole section.[1][29]None practical — the true solvents (DMF, THF, NMP) are laboratory reagents and leave the joint swollen and weak.[28]

Material entries describe families or representative grades, not an interchangeable specification for every spool. Test methods, orientations and conditions may differ. Unknown values are marked “Not documented”. Prices and source dates remain historical snapshots; check the linked guide for product details. Differences highlight text, not a universal winner.

Sources for this comparison

  1. Polymaker PC-ABS Technical Data Sheet V5.4 Polymaker · 2024-11 · tds
  2. Firewire Flame Retardant PC/ABS Technical Data Sheet Rev 3.0 3DXTech · 2026-08 · tds
  3. Flexfill TPU 98A Technical Data Sheet Fillamentum · 2019-08 · tds
  4. Extrudr Product Catalogue (DURAPRO PA12 data block) Extrudr · 2025-03 · tds
  5. PC-ABS — FDM Material Data Sheet Stratasys · 2023-08 · tds
  6. Polymaker product catalogue Polymaker · 2026-08 · vendor
  7. 3DXTech product catalogue 3DXTech · 2026-08 · vendor
  8. Push Plastic product catalogue Push Plastic · 2026-08 · vendor
  9. Reli3D PC-ABS Filament, Black, 1000 g spool Reli3D (Amazon US) · 2026-08 · vendor
  10. SUNLU PC-ABS 3D Printer Filament 1 kg SUNLU · 2026-08 · vendor
  11. Proto-pasta product catalogue Proto-pasta · 2026-08 · vendor
  12. Polycarbonate — Ultimate 3D Printing Materials Guide Simplify3D · 2026-08 · doc
  13. Flexible (TPE/TPU) — Ultimate 3D Printing Materials Guide Simplify3D · 2026-08 · doc
  14. TPU — material basics Polymaker Wiki · 2026-08 · doc
  15. Max volumetric speed Prusa Knowledge Base · 2026-08 · doc
  16. ABS / ASA / PC Usage Guide Bambu Lab Wiki · 2026-08 · doc
  17. PC — material basics Polymaker Wiki · 2026-08 · doc
  18. 3DXTech 3DXMAX ABS product page 3DXTech · 2026-08 · vendor
  19. Wet Filament — signs, causes and drying Polymaker Wiki · 2026-08 · doc
  20. Bambu Filament Technical Data Sheet V2.0 — PC Bambu Lab · 2026-08 · tds
  21. Prusament PC Blend Technical Datasheet v1.1 Prusa Polymers · 2022-02 · tds
  22. TECANAT natural (PC) — stock shape properties Ensinger · 2026-08 · tds
  23. Experimental data for creep and dynamic mechanical properties of polycarbonate and polycarbonate/ABS Data in Brief 42:108264 · 2022-06 · paper
  24. BambuLab TPU 95A HF vs Qidi TPU 95A HF — results spreadsheet My Tech Fun (Igor Gaspar) · 2024-02 · test
  25. Emissions of Ultrafine Particles and Volatile Organic Compounds from Commercially Available Desktop Three-Dimensional Printers with Multiple Filaments (Azimi et al.) Environmental Science & Technology 50(3) 1260-1268 · 2016-01 · paper
  26. Makrolon — The chemical resistance (Makrolon 2800, 6 days at 23 °C and 50 °C) Covestro · 2016-12 · tds
  27. Chemical resistance — resistance of Ensinger plastics to chemicals (DIN 50 014, 23/50) Ensinger · 2026-08 · tds
  28. Elastollan — Chemical properties: swelling and chemical resistance BASF · 2026-08 · tds
  29. Weld-On 3 Acrylic Plastic Cement — technical data sheet (shipped as dichloromethane) IPS Corporation · 2002-07 · tds