Filament comparison
PC vs PC-FR
Compare printing settings, strength, heat resistance, dated prices and sources.
2 selected · all documented properties
| Property | Polycarbonate (PC)PC | Flame-retardant PC (PC-FR)PC |
|---|---|---|
| Market snapshot | ||
| Listing priceUSD/kg; dated snapshots | $39.99/kg median; $29.99–$92.00/kg across 9 dated product listings | $87.50/kg median; $54.99–$224.00/kg across 4 dated product listings |
| Identity & Market | ||
| Base polymer / chemistry | Bisphenol-A polycarbonate — an amorphous engineering thermoplastic[1][2] | Flame-retardant polycarbonate. Polymaker builds its grade on Covestro's Makrolon family and rates it UL 94 V-0[3][4] |
| Densityg/cm³ | 1.19 (Polymaker) to 1.22 (Prusament), ISO 1183; Bambu Lab 1.20; Stratasys specific gravity 1.20 (ASTM D792)[1][5][6][7] | 1.18 (Bambu Lab) and 1.2 (Polymaker), ISO 1183[4][3] |
| Typical priceUSD/kg | 1 kg spools cluster near 40[6][8][9] | 1 kg-equivalent spools span 55–224; the two mainstream 1 kg grades are 55 and the industrial grades 120–224[4][8] |
| Price range across brandsUSD/kg | 30–92 across brands; Polymaker PolyLite 30, Bambu Lab 40, Polymaker PolyMax 52, Prusament 59, 3DXTech ezPC 64 and 3DXMAX PC 92[8][6][9][10] | 55–224 across brands; Bambu Lab and Polymaker 55, 3DXTech FR PC/ABS 120, 3DXLABS FR-PC 224[4][8][10] |
| Market availability1–5 | Available from several mainstream brands[6][8][10][9] | Available from several mainstream brands[4][8][10] |
| Spool sizes & diameters | 1.75 and 2.85 mm; 0.5, 0.75, 0.9, 1 and 3 kg spools[8][10][9] | 1.75 mm; 0.75 and 1 kg spools[8][10][4] |
| Typical applications | Light guides, lenses, under-bonnet automotive parts and impact-loaded housings that must hold shape above 110 °C[2][1] | Electrical enclosures, transport interiors and battery housings that must meet a flammability rating[3][4] |
| Diameter tolerance± mm | ±0.03 (Prusament PC Blend)[5] | ±0.03 (Bambu Lab PC FR)[4] |
| Printing Parameters | ||
| Nozzle temperature°C | 250–280 across brands; Prusament 275 ± 10, Bambu Lab 260–280, Polymaker 250–270. Polymaker's material guide gives a wider 260–310 for PC and its composites[5][6][1][2] | 260–280 (Bambu Lab); 250–270 (Polymaker)[4][3] |
| Bed temperature°C | 90–115; Prusament 110 ± 10, Bambu Lab 90–110, Polymaker 90–105[5][6][1] | 90–110 (Bambu Lab); 90–105 (Polymaker)[4][3] |
| Enclosure / chamber requirement1–5 | Enclosure required (passive) — Polymaker specifies a 70–100 °C chamber, Bambu Lab 45–60 °C and rules out its P1P and A-series machines[1][6][11] | Enclosure required (passive) — Bambu Lab specifies a 45–60 °C chamber, Polymaker 70–100 °C[4][3] |
| Recommended chamber temperature°C | 70–100 (Polymaker); 45–60 (Bambu Lab)[1][6] | 45–60 (Bambu Lab); 70–100 (Polymaker)[4][3] |
| Part cooling fan | Off or very low — Polymaker specifies off, Prusament 20 % within a 0–30 % range, Bambu Lab 0–60 %[1][5][6] | 0–60 % (Bambu Lab)[4] |
| Bed surface & adhesion aid | Textured PEI with glue when needed (Polymaker); smooth or textured PEI (Bambu Lab)[1][4] | Smooth or textured PEI plate (Bambu Lab)[4] |
| Maximum volumetric flow (mm³/s; see test conditions)mm³/s | 24 at Bambu Lab's 300 mm/s cap on a 0.4 mm nozzle at 0.2 mm layer; Polymaker allows 50–200 mm/s and its material guide advises 30–60 for layer adhesion[6][1][2][12] | 24 at Bambu Lab's 300 mm/s cap on a 0.4 mm nozzle at 0.2 mm layer[4][12] |
| Warping tendency1–5 | Severe — heated chamber needed[1][2][11] | Severe — heated chamber needed[3][11] |
| Bed-adhesion difficulty1–5 | Needs a specific surface plus adhesive[1][11] | Needs a specific surface plus adhesive[13][2] |
| Stringing / oozing tendency1–5 | Moderate — retraction tuning needed[2] | Moderate — retraction tuning needed; Polymaker flags stringing as a common PC problem[2] |
| Overall printing difficulty1–5 | Advanced — enclosure, hardware upgrades, tuning[2][11] | Advanced — enclosure, hardware upgrades, tuning[4][11] |
| Extruder requirement | All-metal hotend rated to 300 °C; Polymaker advises larger nozzles and high chamber temperatures to improve bonding[2] | Not documented |
| Hardware Wear & Reliability | ||
| Nozzle hardness required1–4 | Brass fine indefinitely[11] | Brass fine indefinitely[11] |
| Abrasiveness1–5 | Non-abrasive[1] | Non-abrasive[3] |
| Nozzle clog risk1–5 | Moderate — needs dry filament and a clean nozzle[2] | Moderate — needs dry filament and a clean nozzle; 3DXTech lists no special nozzle concerns but a 6 h pre-dry at 80 °C[14] |
| Heat-creep / jam sensitivity1–5 | Slightly sensitive[13] | Slightly sensitive[13] |
| Hotend requirement | All-metal hot end required (Simplify3D); Polymaker advises a hot end rated above 300 °C[13][2] | All-metal hot end required (Simplify3D)[13] |
| Moisture Behaviour | ||
| Moisture absorption (hygroscopicity)1–5 | Low — 0.25 % saturated at 25 °C / 55 % RH (Bambu Lab); Prusa measures 0.15 % after 7 days at 22 % RH. Polymaker nonetheless calls PC highly hygroscopic in service[6][5][2] | Low (0.1–0.3 %) — 0.12 % saturated at 25 °C / 55 % RH (Bambu Lab), half that of unfilled Bambu Lab PC[4][6] |
| Equilibrium moisture content at ~50 % RH% | 0.25 saturated at 25 °C / 55 % RH (Bambu Lab); 0.15 after 7 days at 24 °C / 22 % RH (Prusa)[6][5] | 0.12 saturated at 25 °C / 55 % RH (Bambu Lab)[4] |
| Drying temperature & time | 80 °C for 8 h (Bambu Lab); 75 °C for 6 h (Polymaker); 70–80 °C for 6–8 h (Polymaker material guide)[6][1][2] | 75 °C for 6 h (Polymaker)[3] |
| Symptoms when wet | Bubbling and popping at the nozzle, stringing, rough surface and weak layers[15] | Bubbling and popping at the nozzle, stringing and a rough surface[15] |
| Effect of moisture on strength | No 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[2][15] | No 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[2][15] |
| Storage requirement | Airtight containers with desiccant to prevent reabsorption[2] | Airtight containers with desiccant to prevent reabsorption[2] |
| Mechanical Properties | ||
| Tensile strength (XY)MPa | 53.4 (PolyMax) to 69.1 (PolyLite) printed XY, ISO 527; Bambu Lab 62 +/- 2 and Prusament 63 +/- 1 at yield; Stratasys 62.3-64.6 at yield printed XZ, ASTM D638 (its PC White table duplicates the Antero 840CN03 figures and was not used)[1][16][6][5][17][7] | 60 ± 4 (Bambu Lab) and 67 ± 4.5 (Polymaker) printed XY, ISO 527[4][3] |
| Young's modulusMPa | 2110 (Bambu Lab) to 2497 (PolyLite) printed XY, ISO 527; Prusament 1900, 3DXTech 2180[6][1][5][17] | 1670 ± 40 (Bambu Lab) and 2634 ± 182 (Polymaker) printed XY, ISO 527[4][3] |
| Elongation at break% | 3.8 (Bambu Lab) to 4.8 (PolyLite) at break, printed XY, ISO 527; 3DXTech quotes 14 at break, Prusament 5.8 at yield[6][1][17][5] | 2.4 ± 0.3 (Bambu Lab) and 3.49 ± 0.7 (Polymaker) at break, printed XY, ISO 527 — the retardant roughly halves unfilled PC's elongation[4][3][1] |
| Flexural strengthMPa | 81.3 (PolyMax) to 108 (Bambu Lab) printed XY, ISO 178; Prusament 88 ± 1, PolyLite 106.1[16][6][5][1] | 96.6 ± 1.3 printed XY, ISO 178 (Polymaker)[3] |
| Flexural modulusMPa | 2050 (PolyMax) to 2640 (PolyLite) printed XY, ISO 178; Prusament 2100[16][1][5] | 2518 ± 53 printed XY, ISO 178 (Polymaker)[3] |
| Charpy impact, notchedkJ/m² | 4.1 (PolyLite) to 21.3 (PolyMax) printed XY, ISO 179, notched; Prusament 12 ± 1[1][16][5] | 11.7 ± 1.6 printed XY, ISO 179, notched (Polymaker)[3] |
| Other impact data | Charpy unnotched does not break on Prusa's pendulum in either orientation (ISO 179-1); PolyMax PC retains 9.2 kJ/m2 notched at -30 °C. Stratasys PC Black gives 85.3 MPa flexural strength at break in ZX against no break in XZ (ASTM D790, printed)[5][16][7] | Notched Charpy 7.5 ± 1.6 kJ/m² at −30 °C printed XY (Polymaker, ISO 179-1/1eA)[3] |
| Layer adhesion / Z tensileMPa | 37.1-45.3 at yield printed ZX (Stratasys PC Black and Red, ASTM D638); 41.4 (PolyMax) to 56 (Bambu Lab) printed Z; Prusa's interlayer adhesion test gives 21 +/- 2[5][16][6][7] | 21 ± 3 (Bambu Lab) and 46 ± 4.8 (Polymaker) printed Z, ISO 527[4][3] |
| Brittleness1–5 | Tough — absorbs impact, yields before breaking[2][5] | Moderate[4][3] |
| Hardness (scale-specific)Shore A / Shore D / Rockwell | Shore D 79 (Prusa Polymers method) and Shore D 79 on extruded PC stock (ASTM D2240); Rockwell 70 (118) — the source does not name the scales[5][18] | Rockwell 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 flame-retardant filament[18] |
| Creep resistance / sustained load1–5 | Excellent — holds load for years. Room-temperature tensile creep of moulded PC was still running unbroken at 41 MPa when the experiment was stopped for time; specimens failed within the test window only at 47-52 MPa (ASTM D638)[19] | Good. Moulded unfilled PC sustained 41 MPa tensile creep at room temperature without breaking, but the retardant package drops the glass transition to 115 °C in Polymaker's grade, so the unfilled rating is not carried over in full[19][3] |
| Fatigue / repeated-flex resistance1–5 | Good[5][2] | Not documented |
| Elasticity / flexibility1–5 | Rigid[1] | Rigid[3] |
| Z strength as % of XY% | 59-73 (Stratasys PC Black and Red, ZX against XZ tensile yield, ASTM D638); 76 for PolyLite PC and 90 for Bambu Lab (printed Z against XY tensile)[6][1][7] | 35 (Bambu Lab) to 69 (Polymaker), printed[4][3] |
| Thermal Properties | ||
| HDT at 0.45 MPa°C | 110 (PolyMax PC-FR) to 114 (PolyMax PC), ISO 75 at 0.45 MPa; Bambu Lab 112, PolyLite 111, Prusament 113. Stratasys FDM PC reaches 144 printed (ASTM D648 Method B at 66 psi)[16][1][6][5][7] | 110 (Polymaker) and 113 (Bambu Lab), ISO 75 at 0.45 MPa[3][4] |
| HDT at 1.8 MPa°C | 93 (Prusament) to 117 (Bambu Lab), ISO 75 at 1.8 MPa; PolyLite 107, PolyMax 99. Stratasys FDM PC reaches 141 printed (ASTM D648 Method B at 264 psi)[5][6][1][16][7] | 107 (Polymaker) and 108 (Bambu Lab), ISO 75 at 1.8 MPa[3][4] |
| Glass transition (Tg)°C | 113 (Polymaker, DSC), 142.5 (Stratasys, ASTM D7426 inflection point) and 145 (Bambu Lab, DSC); Polymaker's material guide quotes 150[1][6][2][7] | 115 (Polymaker) and 145 (Bambu Lab), DSC[3][4] |
| Melting point / Vicat°C | Amorphous — no melting point; Vicat 117–120 (Polymaker, ISO 306); decomposition above 360 °C[1][16] | Amorphous — no melting point; Vicat 114 (Bambu Lab, ISO 306)[4] |
| Continuous service temperature°C | 113 — Prusa publishes this as the temperature resistance of Prusament PC Blend; extruded PC stock is rated 121 long term (converted from 250 °F)[5][18] | 113 — Prusa publishes this as the temperature resistance of Prusament PC Blend[5] |
| Annealing response | 90 °C for 2 h (Polymaker)[1] | Not documented |
| Thermal expansion (CTE)µm/m·K | 51.6 in XY over -50 to 30 °C, falling to 35.8 over 30-75 °C and 11.5 over 75-130 °C; 49.2 in XZ over -50 to 120 °C (printed, ASTM E831). Extruded PC stock gives 68.4 (ASTM D696)[7][18] | 68.4 on extruded unfilled PC stock (ASTM D696; source states 3.8e-5 in/in/°F); no figure is published for a flame-retardant grade[18] |
| Flammability / UL 94 | Flammable; no UL 94 rating on standard PC, though V-0 grades exist[3][1] | UL 94 V-0 (Polymaker PolyMax PC-FR); 3DXTech rates its FR PC/ABS V-0 at 1.5 mm on the base resin[3][20] |
| Environment & Chemical | ||
| UV resistance1–5 | Degrades within weeks outdoors — unstabilised PC yellows and embrittles under UV[2] | Degrades within weeks outdoors unless stabilised[2] |
| Chemical resistance | Withstands oils, solvents and fuels; Polymaker rates it good against weak acids[2] | Withstands oils, solvents and fuels; Polymaker rates it good against weak acids[2] |
| Water / humidity resistance in service1–5 | Good — minor absorption[6] | Not documented |
| Food contact | Bisphenol-A polycarbonate is not offered as food-contact filament[2] | Bisphenol-A polycarbonate is not offered as food-contact filament[2] |
| Biodegradability / compostability | Not biodegradable[2] | Not biodegradable[2] |
| Recyclability | Mechanically recyclable but not accepted in household plastic collection[2] | Mechanically recyclable but not accepted in household plastic collection[2] |
| Electrical & ESD properties | Surface resistance above 10¹³ ohm/sq — an electrical insulator, which Polymaker lists as a headline advantage[17][2] | Not documented |
| Health & Safety | ||
| Fume toxicity1–5 | Moderate — measurable VOCs and UFPs, ventilation advised[21] | Moderate — measurable VOCs and UFPs, ventilation advised[21] |
| 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[21] | ≈4 × 10¹⁰ median — the highest ultrafine-particle rate of the nine filaments in the chamber study, above every ABS tested[21] |
| Ventilation / filtration requirement1–5 | Ventilated room or enclosure recommended[21][11] | Ventilated room or enclosure recommended[21][11] |
| Post-Processing | ||
| Sanding & machining | Sands and machines well; the toughness means it cuts rather than chips[13] | Sands and machines well; the toughness means it cuts rather than chips[13] |
| Painting & finishing | Optical clarity survives printing, so transparent parts are usually left unpainted[2] | Not documented |
| Gluing & solvent welding | Cyanoacrylate; dichloromethane solvent-welds PC but is a laboratory reagent[13] | Cyanoacrylate; dichloromethane solvent-welds PC but is a laboratory reagent[13] |
| Vapour / chemical smoothing | No practical vapour smoothing[13] | No practical vapour smoothing[13] |
| Support material pairing | Prints its own supports; 3DXTech sells a dedicated PC break-away support[13] | Prints its own supports; 3DXTech sells a dedicated PC break-away support[13] |
| Dimensional accuracy & detail | Warping is the dominant accuracy limit; light transmission 89 % on PolyLite PC (GB/T 2410)[1][2] | Not documented |
| Solvents & Solubility | ||
| Soluble in | Dichloromethane, chloroform, DMF and dioxane dissolve it outright (Covestro, 6 days at 23 °C). Laboratory reagents.[22] | Dichloromethane, chloroform, DMF and dioxane dissolve it outright (Covestro, 6 days at 23 °C). Laboratory reagents.[22] |
| Softened or crazed by | Methanol, butyl acetate, ether, 1 % NaOH and phthalate plasticisers stress-crack it; acetone, MEK and xylene swell it.[22] | Methanol, butyl acetate, ether, 1 % NaOH and phthalate plasticisers stress-crack it; acetone, MEK and xylene swell it.[22] |
| Solvent welding & smoothing agent | Dichloromethane cement welds PC — 16.5 MPa lap shear at one week (IPS Weld-On 3). A controlled carcinogen.[23] | Dichloromethane cement welds PC — 16.5 MPa lap shear at one week (IPS Weld-On 3). A controlled carcinogen.[23] |
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
- PolyLite PC Technical Data Sheet V5.4 Polymaker · 2024-11 · tds
- PC — material basics Polymaker Wiki · 2026-08 · doc
- PolyMax PC-FR Technical Data Sheet V5.5 Polymaker · 2024-11 · tds
- Bambu Filament Technical Data Sheet V1.0 — PC FR Bambu Lab · 2026-08 · tds
- Prusament PC Blend Technical Datasheet v1.1 Prusa Polymers · 2022-02 · tds
- Bambu Filament Technical Data Sheet V2.0 — PC Bambu Lab · 2026-08 · tds
- PC (Polycarbonate) — FDM Material Data Sheet Stratasys · 2026-04 · tds
- Polymaker product catalogue Polymaker · 2026-08 · vendor
- Printed Solid product catalogue Printed Solid · 2026-08 · vendor
- 3DXTech product catalogue 3DXTech · 2026-08 · vendor
- ABS / ASA / PC Usage Guide Bambu Lab Wiki · 2026-08 · doc
- Max volumetric speed Prusa Knowledge Base · 2026-08 · doc
- Polycarbonate — Ultimate 3D Printing Materials Guide Simplify3D · 2026-08 · doc
- 3DXTech Firewire FR-PC/ABS product page 3DXTech · 2026-08 · vendor
- Wet Filament — signs, causes and drying Polymaker Wiki · 2026-08 · doc
- PolyMax PC Technical Data Sheet V5.4 Polymaker · 2024-11 · tds
- ezPC Polycarbonate Technical Data Sheet 3DXTech · 2026-08 · tds
- TECANAT natural (PC) — stock shape properties Ensinger · 2026-08 · tds
- Experimental data for creep and dynamic mechanical properties of polycarbonate and polycarbonate/ABS Data in Brief 42:108264 · 2022-06 · paper
- Firewire Flame Retardant PC/ABS Technical Data Sheet Rev 3.0 3DXTech · 2026-08 · tds
- 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
- Makrolon — The chemical resistance (Makrolon 2800, 6 days at 23 °C and 50 °C) Covestro · 2016-12 · tds
- Weld-On 3 Acrylic Plastic Cement — technical data sheet (shipped as dichloromethane) IPS Corporation · 2002-07 · tds