3D Printing Info

Filament comparison

ABS-GF vs PSU

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

Glass-fibre ABS (ABS-GF) guidePSU guide

2 selected · all documented properties

Open these two in the interactive comparisonMore ABS-GF comparisonsMore PSU comparisons
ABS-GF vs PSU — documented properties and sources
PropertyGlass-fibre ABS (ABS-GF)ABSPSUHIGHTEMP
Market snapshot
Listing priceUSD/kg; dated snapshots$34.99/kg median; $24.49–$73.33/kg across 4 dated product listings$168.00/kg median; $168.00–$168.00/kg across 1 dated product listings
Identity & Market
Base polymer / chemistryABS reinforced with chopped glass fibre — 3DXTech's grade is nominally 10 wt%[1][2]Polysulfone — the lowest-temperature and cheapest of the sulfone family[3]
Densityg/cm³1.08 (Bambu Lab) and 1.15 (3DXTech), ISO 1183[2][1]1.24 (ISO 1183)[3]
Typical priceUSD/kg1 kg-equivalent spools span 24–73; the middle of the market is about 35[4][5][6][7]1 kg-equivalent spools cluster near 250[5]
Price range across brandsUSD/kg24–73 across brands; Siraya Tech 24, Bambu Lab 30, SUNLU 40, 3DXTech 73[4][5][6][7]168-250 across formats; 250 g spool $42 (168/kg), 500 g $125 (250/kg) — 3DXTech is the only filament supplier found[5]
Market availability1–5Available from several mainstream brands[4][5]Special order, 1–2 makers worldwide[5]
Spool sizes & diameters1.75 and 2.85 mm; 750 g and 1 kg spools[5][4]1.75 mm; 250 g and 500 g spools[5]
Typical applicationsStiff, dimensionally stable enclosure and tooling parts; Bambu Lab notes the fibre blurs layer lines into a matte finish[2]Transparent high-temperature housings, medical trays and hot-water fittings[3]
Printing Parameters
Nozzle temperature°C240–280 (Bambu Lab)[2]Not documented
Bed temperature°C80–100 (Bambu Lab)[2]120–140 (3DXTech)[3]
Enclosure / chamber requirement1–5Enclosure recommended — Bambu Lab specifies a 45–60 °C chamber[2][8]Actively heated chamber required[9][10]
Recommended chamber temperature°C45–60 (Bambu Lab)[2]Not documented
Part cooling fan0–80 % (Bambu Lab)[2]Not documented
Bed surface & adhesion aidClean the plate and apply glue; Simplify3D also lists Kapton tape and ABS slurry[8][11]Not documented
Maximum volumetric flow (mm³/s; see test conditions)mm³/s14 at Bambu Lab's 180 mm/s cap on a 0.4 mm nozzle at 0.2 mm layer[2][12]Not documented
Warping tendency1–5Moderate — needs adhesion aid or draught shield; Bambu Lab positions the fibre as reducing warping[2]Not documented
Bed-adhesion difficulty1–5Needs a specific surface plus adhesive[8]Not documented
Stringing / oozing tendency1–5Slight — Polymaker advises 1–2 mm retraction at 20–30 mm/s[13]Not documented
Overall printing difficulty1–5Intermediate — dry filament and a tuned profile; hardened nozzle mandatory[8]Expert / industrial hardware only[9][10]
Hardware Wear & Reliability
Nozzle hardness required1–4Hardened steel required[8]Brass fine indefinitely for unfilled grades, but brass softens near these nozzle temperatures — hardened or plated hot ends are the norm[9]
Abrasiveness1–5Highly abrasive — standard GF composite[8]Non-abrasive when unfilled[3]
Nozzle clog risk1–5Moderate — needs dry filament and a clean nozzle; 3DXTech specifies a hardened 0.4 mm minimum nozzle and 0.25 mm layers or higher for the glass-filled grade[14][15]Moderate — needs dry filament and a clean nozzle; 3DXTech lists no special nozzle concerns but a mandatory 120 °C pre-dry before every print[16]
Heat-creep / jam sensitivity1–5Slightly sensitive[11]Not documented
Hotend requirementNo special hot-end required[11]Not documented
Moisture Behaviour
Moisture absorption (hygroscopicity)1–5Moderate — 0.53 % saturated at 25 °C / 55 % RH (Bambu Lab)[2]Not documented
Equilibrium moisture content at ~50 % RH%0.53 saturated at 25 °C / 55 % RH (Bambu Lab)[2]0.30 in 24 h on extruded stock (ASTM D570)[17]
Drying temperature & time80 °C for 8 h (Bambu Lab)[2]Not documented
Symptoms when wetBubbling and popping at the nozzle, stringing and a rough surface[18]Not documented
Effect of moisture on strengthPolymaker rates ABS moderate-sensitivity and publishes no dry-versus-conditioned figures; absorbed water flashes to steam in the hotend and shows as bubbling and poor layer adhesion[18]No dry-versus-conditioned figures are published; 3DXTech mandates a 120 °C, 4 h pre-dry before every print because trapped water flashes to steam at these nozzle temperatures[16]
Storage requirementSealed with desiccant; Polymaker rates ABS moderate-sensitivity[18]Not documented
Mechanical Properties
Tensile strength (XY)MPa36 ± 3 printed XY, ISO 527 (Bambu Lab); 3DXTech quotes 68 at break[2][1]52 (printed XY, ISO 527, 3DXTech); 81 at break on extruded stock (ASTM D638)[3][17]
Young's modulusMPa3160 ± 170 printed XY, ISO 527 (Bambu Lab); 3DXTech quotes 4210[2][1]2100 (printed XY, ISO 527)[3]
Elongation at break%6.3 ± 1.2 printed XY, ISO 527 (Bambu Lab); 3DXTech quotes 2 at break[2][1]8 (printed XY, ISO 527) against 50 on extruded stock — nearly three times PPSU's printed 3 %[3][19][17]
Flexural strengthMPa68 ± 4 printed XY, ISO 178 (Bambu Lab); 3DXTech quotes 70[2][1]87 (printed XY, ISO 178)[3]
Flexural modulusMPa2860 ± 130 printed XY, ISO 178 (Bambu Lab); 3DXTech quotes 4420[2][1]2050 (printed XY, ISO 178)[3]
Charpy impact, notchedkJ/m²4.2 ± 1.1 printed XY, ISO 179, notched (Bambu Lab)[2]Not documented
Other impact dataCharpy unnotched 14.5 ± 1.5 printed XY (Bambu Lab, ISO 179)[2]Izod notched 69 J/m on extruded PSU stock, converted from 1.3 ft-lb/in (ASTM D256)[17]
Layer adhesion / Z tensileMPa29 ± 3 printed Z, ISO 527 (Bambu Lab)[2]Not documented
Brittleness1–5Brittle — snaps with little warning; notched Charpy falls from 21.5 to 4.2 kJ/m² against unfilled Bambu Lab ABS[2][20]Moderate[3]
Hardness (scale-specific)Shore A / Shore D / RockwellNot documentedRockwell M120 on extruded PSU stock (ASTM D785)[17]
Creep resistance / sustained load1–5Good — no creep test found; chopped glass fibre lifts modulus to 3160 MPa against 2200 for unfilled Bambu Lab ABS[2][20]Good. Ensinger lists high creep resistance as a headline property of extruded PSU stock, which is rated to 173 °C heat deflection at 1.8 MPa[17]
Fatigue / repeated-flex resistance1–5Below average — no S-N curve found; notched Charpy falls to 4.2 kJ/m² against 21.5 for unfilled Bambu Lab ABS[2][20]Not documented
Elasticity / flexibility1–5Rigid[2]Rigid[3]
Z strength as % of XY%81 (Bambu Lab, printed Z against XY tensile)[2]Not documented
Thermal Properties
HDT at 0.45 MPa°C99 (ISO 75, 0.45 MPa, Bambu Lab) against 87 for unfilled Bambu Lab ABS[2][20]172 (printed XY, ISO 75 at 0.45 MPa, 3DXTech); 181 on extruded stock, converted from 358 °F at 66 psi[3][17]
HDT at 1.8 MPa°C88 (ISO 75, 1.8 MPa, Bambu Lab) against 84 for unfilled Bambu Lab ABS[2][20]174 on extruded PSU stock, converted from 345 °F at 264 psi (ASTM D648)[17]
Glass transition (Tg)°CNot documented187 (DSC, 3DXTech) and 185 on extruded stock (ASTM D3418), against 230 for PPSU[3][19][17]
Continuous service temperature°CNot documented141 long-term service on extruded PSU stock, converted from 285 °F[17]
Thermal expansion (CTE)µm/m·KNot documented55.8 (extruded PSU stock, ASTM D696; source states 3.1e-5 in/in/°F)[17]
Flammability / UL 94Not documentedUL 94 V-0 on extruded PSU stock[17]
Environment & Chemical
Chemical resistanceGood against weak acids, weak alkalis, oils and grease; dissolved by acetone[21]Not documented
Food contactNot food safe — Polymaker cites potential chemical leaching[13]Not documented
Biodegradability / compostabilityNot biodegradable[13]Not documented
RecyclabilityMechanically recyclable but not accepted in household plastic collection[13]Not documented
Electrical & ESD propertiesNot documentedSurface resistance above 10¹³ ohm/sq — an insulator (IEC 60093)[3]
Health & Safety
Fume toxicity1–5High — hazardous VOC such as styrene; enclosure and filtration needed[22][8]Moderate — measurable VOCs and UFPs, ventilation advised. None of these polymers was in the chamber study, and all are processed far above the temperatures it covered[22]
VOC emission rateµg/min12–113 styrene, the dominant VOC from every ABS and HIPS combination tested[22]Not documented
Ultrafine-particle emission rateparticles/min2 × 10¹⁰ to 9 × 10¹⁰ median across all ABS printers, two orders of magnitude above PLA's ≈1 × 10⁸[22]Not documented
Hazardous species emittedStyrene dominates. Bambu Lab states ABS and ASA release harmful gases such as styrene at printing temperature, which can be toxic and cause dizziness or nausea[22][8]Not documented
Ventilation / filtration requirement1–5Enclosure with carbon and HEPA filtration — an enclosure alone cut measured UFP by only about 35 %[22][8]Ventilated room or enclosure recommended[22]
Dust & fibre handling hazardGlass fibre is bound in the matrix; avoid inhaling sanding dust[1]Not documented
Post-Processing
Sanding & machiningSands well and takes filler before painting[13]Not documented
Painting & finishingPaints readily after light abrasion[13]Not documented
Support material pairingHIPS breaks away or dissolves in d-limonene; Bambu Lab sells a dedicated Support for ABS[23][8]Not documented
Dimensional accuracy & detailBambu Lab describes a smooth matte finish with micro-spot gloss that blurs layer lines[2]Not documented
Solvents & Solubility
Soluble inAcetone dissolves the resin and leaves the fibre as sludge; MEK, THF, ethyl acetate and chlorinated solvents do the same.[24][21]Chlorinated hydrocarbons — dichloromethane, chloroform — dissolve polysulfone; ketones and esters attack it as well.[25][24]
Softened or crazed byPetrol and perchloroethylene soften it and benzene attacks it; d-limonene disrupts layer adhesion in some ABS and ASA grades.[24][26]Acetone, MEK, ethyl acetate, benzene and toluene craze or stress-crack it; methanol and isopropanol only marginally.[24][25]
Solvent welding & smoothing agentAcetone vapour reaches only the resin fraction, so the fibre is left standing proud of the smoothed surface.[27][21]Dichloromethane cement welds PSU and NMP softens residual resin. Both are laboratory reagents.[25]

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. FibreX ABS+GF10 Glass Fiber ABS Technical Data Sheet 3DXTech · 2026-08 · tds
  2. Bambu Filament Technical Data Sheet V1.0 — ABS-GF Bambu Lab · 2026-08 · tds
  3. ThermaX PSU Technical Data Sheet v3 3DXTech · 2026-08 · tds
  4. ABS-GF — product page Bambu Lab US Store · 2026-08 · vendor
  5. 3DXTech product catalogue 3DXTech · 2026-08 · vendor
  6. Siraya Tech Fibreheart ABS-GF Filament product page Siraya Tech · 2026-08 · vendor
  7. SUNLU ABS-GF (ABS Glass Fiber) 3D Printer Filament 1 kg SUNLU · 2026-08 · vendor
  8. ABS / ASA / PC Usage Guide Bambu Lab Wiki · 2026-08 · doc
  9. Prusament PEI 1010 Technical Datasheet v1.0 Prusa Polymers · 2024-09 · tds
  10. Prusament PEI 1010 — material page Prusa Polymers · 2026-08 · doc
  11. ABS — Ultimate 3D Printing Materials Guide Simplify3D · 2026-08 · doc
  12. Max volumetric speed Prusa Knowledge Base · 2026-08 · doc
  13. ABS — material basics Polymaker Wiki · 2026-08 · doc
  14. FIBREX ABS+GF — product page (print recommendations) 3DXTech · 2026-08 · doc
  15. Composite materials filled with carbon, kevlar or glass Prusa Knowledge Base · 2026-08 · doc
  16. THERMAX PSU — product page (print recommendations) 3DXTech · 2026-08 · doc
  17. TECASON S natural (PSU) — stock shape properties Ensinger · 2026-08 · tds
  18. Wet Filament — signs, causes and drying Polymaker Wiki · 2026-08 · doc
  19. ThermaX PPSU Technical Data Sheet v3 3DXTech · 2026-08 · tds
  20. Bambu Filament Technical Data Sheet V3.0 — ABS Bambu Lab · 2026-08 · tds
  21. PolyLite ABS Technical Data Sheet (V5.5 served at this URL) Polymaker · 2024-11 · tds
  22. 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
  23. HIPS — Ultimate 3D Printing Materials Guide Simplify3D · 2026-08 · doc
  24. Chemical resistance — resistance of Ensinger plastics to chemicals (DIN 50 014, 23/50) Ensinger · 2026-08 · tds
  25. Radel PPSU, Veradel PESU, Acudel modified PPSU Design Guide — environmental stress cracking tables Solvay Specialty Polymers · 2026-08 · tds
  26. HIPS — Knowledge Base Prusa Research · 2026-08 · doc
  27. Improve your 3D prints with chemical smoothing Prusa Research · 2026-08 · doc