3D Printing Info

Filament comparison

PETG-ESD vs rPETG

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

ESD-safe PETG guideRecycled PETG (rPETG) guide

2 selected · all documented properties

Open these two in the interactive comparisonMore PETG-ESD comparisonsMore rPETG comparisons
PETG-ESD vs rPETG — documented properties and sources
PropertyESD-safe PETGPETGRecycled PETG (rPETG)PETG
Market snapshot
Listing priceUSD/kg; dated snapshots$102.99/kg median; $65.98–$140.00/kg across 2 dated product listings$28.99/kg median; $17.24–$39.98/kg across 4 dated product listings
Identity & Market
Base polymer / chemistryPETG compounded with a conductive filler to bring surface resistivity into the static-dissipative range[1][2]PETG regranulated from recycled polyester waste; Polymaker's Fiberon PETG-rCF08 adds 8 wt% recycled carbon fibre[3][4][5]
Densityg/cm³1.24 (Fiberon) and 1.28 (3DXTech), ISO 1183[1][2]1.27 (Prusament) and 1.30 (Fiberon PETG-rCF08), ISO 1183[3][5]
Typical priceUSD/kg1 kg-equivalent spools span 66–140; the middle of the market is about 103[6][7]1 kg spools cluster near 29[7][8][6][9]
Price range across brandsUSD/kg66–140 across brands; Fiberon PETG-ESD 66, 3DXSTAT ESD-PETG 140[6][7]17–40 across brands; Filament PM RePETG 17, 3DXTech ECOMAX 26, GreenGate3D 32, Fiberon rCF08 40[7][8][6][9]
Market availability1–5Niche, a handful of specialist brands[6][7]Available from several mainstream brands[7][8][6]
Spool sizes & diameters1.75 mm; 0.5, 0.75, 1 and 3 kg spools[6][7]1.75 and 2.85 mm; 0.5, 1 and 3 kg spools[6][8]
Typical applicationsElectronics fixtures, trays and jigs handled around static-sensitive components[1][2]Not documented
Diameter tolerance± mmNot documented±0.05 (Prusament PETG Recycled), against ±0.02 for virgin Prusament PETG[3][10]
Printing Parameters
Nozzle temperature°C250–290 (Fiberon)[1]250 ± 10 (Prusament); 230–255 (Spectrum)[3][4]
Bed temperature°C70–80 (Fiberon); 70 (3DXTech)[1][2]80 ± 10 (Prusament); 60–80 (Spectrum)[3][4]
Enclosure / chamber requirement1–5Open frame is fine — Fiberon specifies room-temperature chamber[1]Open frame is fine — Spectrum states a closed chamber is not necessary[4]
Part cooling fanNot documented50 % (Prusament); up to 100 % (Spectrum)[3][4]
Bed surface & adhesion aidTextured PEI, satin or powder-coated sheets; on smooth PEI a glue stick acts as a release agent[10][11]Textured PEI, satin or powder-coated sheets; on smooth PEI a glue stick acts as a release agent[10][11]
Maximum volumetric flow (mm³/s; see test conditions)mm³/sFiberon rates the material to 500 mm/s, equivalent to 40 on a 0.4 mm nozzle at 0.2 mm layer — a machine-limited headline rather than a measured melt rate[1][12]Not documented
Bed-adhesion difficulty1–5Needs the right surface or a thin adhesive — the problem is releasing the part, not sticking it[10][11]Needs the right surface or a thin adhesive — the problem is releasing the part, not sticking it[10][11]
Stringing / oozing tendency1–5Moderate — retraction tuning needed; Polymaker names stringing as PETG's common quirk[11]Moderate — retraction tuning needed; Polymaker names stringing as PETG's common quirk[11]
Overall printing difficulty1–5Intermediate — dry filament and a tuned profile; resistivity depends on getting the nozzle temperature right[1]Easy — minor profile tuning; Spectrum describes printing as similar to standard PETG[4]
Hardware Wear & Reliability
Nozzle hardness required1–4Hardened steel required[1]Brass fine indefinitely[3]
Abrasiveness1–5Moderately abrasive — conductive carbon filler[1]Not documented
Nozzle clog risk1–5Low — 3DXTech lists no special nozzle concerns and no minimum layer height for its ESD-PETG, only a 65 °C pre-dry[13]Low — recycled PETG prints on the same hardware as virgin PETG: no special hot-end, no drybox and no hardened nozzle[14][15]
Heat-creep / jam sensitivity1–5Slightly sensitive[14]Slightly sensitive[14]
Hotend requirementNo special hot-end required[14]No special hot-end required[14]
Moisture Behaviour
Moisture absorption (hygroscopicity)1–5Moderate (0.3–0.8 %) — the PETG matrix reaches 0.40 % saturated at 25 °C / 55 % RH and 3DXTech specifies a 65 °C, 4 h pre-dry[10][13]Moderate (0.3–0.8 %) — recycled PETG shares the virgin matrix, which reaches 0.40 % saturated at 25 °C / 55 % RH[10]
Equilibrium moisture content at ~50 % RH%0.41 equilibrium water absorption (Fiberon PETG-ESD)[1]0.07 after 24 h and 0.10 after 7 days at 24 °C / 22 % RH (Prusa Polymers)[3]
Drying temperature & time65 °C for 3 h (Fiberon)[1]Not documented
Symptoms when wetBubbling and popping at the nozzle, stringing and a rough surface[16]Bubbling and popping at the nozzle, stringing and a rough surface[16]
Effect of moisture on strengthPolymaker groups PETG with nylon, PVA and TPU as highly hygroscopic; no dry-versus-conditioned strength figures are published for this grade and the loss shows as bubbling and poor layer adhesion[16]Polymaker groups PETG with nylon, PVA and TPU as highly hygroscopic; no dry-versus-conditioned strength figures are published for this grade and the loss shows as bubbling and poor layer adhesion[16]
Storage requirementSealed with desiccant; Polymaker groups PETG with the highly hygroscopic materials[16][11]Sealed with desiccant; Polymaker groups PETG with the highly hygroscopic materials[16][11]
Mechanical Properties
Tensile strength (XY)MPa36.1 ± 0.9 printed XY, ISO 527 (Fiberon); 3DXTech quotes 50 at break[1][2]43 ± 1.8 printed horizontal at yield, ISO 527-1 (Prusament), against 47 ± 2 for virgin Prusament PETG; Spectrum quotes 52 at yield on moulded specimens[3][10][4]
Young's modulusMPa1983 ± 75 printed XY, ISO 527 (Fiberon)[1]1500 printed horizontal, 1600 printed vertical (Prusament, ISO 527-1) — the same as virgin Prusament PETG[3][10]
Elongation at break%7.3 ± 0.7 printed XY, ISO 527 (Fiberon); 3DXTech quotes 13 at break[1][2]4.5 at yield printed (Prusament); Spectrum quotes 400 at break on moulded specimens[3][4]
Flexural strengthMPa54.0 ± 2.5 printed XY, ISO 178 (Fiberon)[1]63 ± 1 printed horizontal, ISO 178 (Prusament), against 66 ± 2 for virgin Prusament PETG[3][10]
Flexural modulusMPa1651 ± 141 printed XY, ISO 178 (Fiberon)[1]1800 printed horizontal, ISO 178 (Prusament)[3]
Charpy impact, notchedkJ/m²5.7 ± 0.5 printed XY, ISO 179, notched (Fiberon)[1]12 ± 1 printed horizontal and 15 ± 3 printed vertical, ISO 179-1 notched (Prusament)[3]
Other impact dataCharpy unnotched 29.3 ± 2.2 printed XY (Fiberon, ISO 179)[1]Charpy unnotched 25 ± 3 printed horizontal and 38 ± 11 printed vertical (Prusament, ISO 179-1)[3]
Layer adhesion / Z tensileMPa20.7 ± 0.6 printed Z, ISO 527 (Fiberon)[1]15 ± 5 (Prusa Polymers interlayer adhesion test), against 18 ± 4 for virgin Prusament PETG[3][10]
Brittleness1–5Moderate[1]Moderate[3]
Hardness (scale-specific)Shore A / Shore D / RockwellNot documented74 Shore D (Prusa Polymers method) — the same as virgin Prusament PETG[3][10]
Creep resistance / sustained load1–5Below average — no ESD-grade creep test; unfilled PETG sagged from 12 to 17.1–20.4 mm over 5 days at 1.25 kg[17][18][19][20]Below average — no recycled-grade creep test; virgin PETG sagged from 12 to 17.1–20.4 mm over 5 days at 1.25 kg[17][18][19][20]
Fatigue / repeated-flex resistance1–5Moderate — no ESD-grade S-N curve; unfilled printed PETG ran 79 000–193 000 cycles at 30 % of tensile strength[21]Moderate — no recycled-grade S-N curve; virgin printed PETG ran 79 000–193 000 cycles at 30 % of tensile strength[21]
Elasticity / flexibility1–5Slightly flexible in thin sections[1]Slightly flexible in thin sections[3]
Z strength as % of XY%57 (Fiberon, printed Z against XY tensile)[1]Not documented
Thermal Properties
HDT at 0.45 MPa°C76 (ISO 75, 0.45 MPa, Fiberon)[1]68 (ISO 75, 0.45 MPa) — the same as virgin Prusament PETG; Spectrum quotes 70[3][10][4]
HDT at 1.8 MPa°C72 (ISO 75, 1.8 MPa, Fiberon)[1]68 (ISO 75, 1.8 MPa)[3]
Glass transition (Tg)°C77 (Fiberon) and 80 (3DXTech), DSC[1][2]Not documented
Melting point / Vicat°CAmorphous — no melting point; Vicat 86 (Fiberon, ISO 306)[1]Not documented
Flammability / UL 94Flammable; no UL 94 rating published for standard grades[22]Flammable; no UL 94 rating published for standard grades[22]
Environment & Chemical
Chemical resistanceWithstands acids, alkalis, oils and UV exposure[11]Withstands acids, alkalis, oils and UV exposure[11]
Food contactNot certified for food contact as filament[11]Not certified for food contact as filament[11]
Biodegradability / compostabilityNot biodegradable[11]Not biodegradable[11]
RecyclabilityNot accepted in household plastic collection[11]The feedstock itself — Spectrum describes collecting, shredding and re-homogenising PETG waste[4]
Electrical & ESD propertiesSurface resistivity falls with nozzle temperature: 7.0×10⁶–1.6×10⁷ ohm at 250 °C, 3.2×10⁵–4.7×10⁵ at 270 °C and below 1×10⁴ at 290 °C (Fiberon); 3DXTech quotes 10⁷–10⁹ ohm/sq[1][2]Not documented
Health & Safety
Fume toxicity1–5Moderate — measurable VOCs and UFPs, ventilation advised[23]Moderate — measurable VOCs and UFPs, ventilation advised[23]
Ventilation / filtration requirement1–5Open a window / occasional ventilation[23]Open a window / occasional ventilation[23]
Dust & fibre handling hazardConductive carbon filler is bound in the matrix; avoid inhaling sanding dust[1]Not documented
Post-Processing
Sanding & machiningSands poorly — the material is tough and gums rather than powders[14]Sands poorly — the material is tough and gums rather than powders[14]
Gluing & solvent weldingCyanoacrylate; no common solvent welds PETG cleanly[14]Cyanoacrylate; no common solvent welds PETG cleanly[14]
Vapour / chemical smoothingNo practical vapour smoothing[14]No practical vapour smoothing[14]
Support material pairingPrints its own supports; Polymaker rates PolyDissolve S1 for PETG[14]Prints its own supports; Polymaker rates PolyDissolve S1 for PETG[14]
Dimensional accuracy & detailNozzle temperature has to be held steady — it moves surface resistivity by three orders of magnitude[1]Not documented
Solvents & Solubility
Soluble inNo common workshop solvent; 1,2-dichloroethane destroys it inside a week and dichloromethane — a carcinogen — dissolves the surface.[24][25]No common workshop solvent; 1,2-dichloroethane destroys it inside a week and dichloromethane — a carcinogen — dissolves the surface.[24][25]
Softened or crazed byAcetone (+16 % weight over 1 year at 23 °C), ethyl acetate, toluene and DMF swell and soften it; methanol crazes it.[24]Acetone (+16 % weight over 1 year at 23 °C), ethyl acetate, toluene and DMF swell and soften it; methanol crazes it.[24]
Solvent welding & smoothing agentDichloromethane brushed on is the only agent that smooths PETG — a controlled carcinogen, not workshop stock.[25]Dichloromethane brushed on is the only agent that smooths PETG — a controlled carcinogen, not workshop stock.[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. Fiberon PETG-ESD Technical Data Sheet V1.1 Polymaker · 2026-08 · tds
  2. 3DXSTAT ESD-PETG Technical Data Sheet 3DXTech · 2026-08 · tds
  3. Prusament PETG Recycled Technical Datasheet Prusa Polymers · 2026-08 · tds
  4. Spectrum r-PETG Technical Data Sheet Spectrum Filaments · 2026-08 · tds
  5. Fiberon PETG-rCF08 Technical Data Sheet V1.0 Polymaker · 2026-08 · tds
  6. Polymaker product catalogue Polymaker · 2026-08 · vendor
  7. 3DXTech product catalogue 3DXTech · 2026-08 · vendor
  8. GreenGate3D Recycled PET-G — product data GreenGate3D · 2026-08 · vendor
  9. Filament PM RePETG technical data sheet Filament PM (Plasty Mladec) · 2026-08 · tds
  10. Prusament PETG Technical Datasheet v1.1 Prusa Polymers · 2022-02 · tds
  11. PETG — material basics Polymaker Wiki · 2026-08 · doc
  12. Max volumetric speed Prusa Knowledge Base · 2026-08 · doc
  13. 3DXSTAT ESD-PETG — product page (print recommendations) 3DXTech · 2026-08 · doc
  14. PET and PETG — Ultimate 3D Printing Materials Guide Simplify3D · 2026-08 · doc
  15. Filament Material Guide Prusa Knowledge Base · 2026-08 · doc
  16. Wet Filament — signs, causes and drying Polymaker Wiki · 2026-08 · doc
  17. PCTG vs PETG comparison — results spreadsheet My Tech Fun (Igor Gaspar) · 2026-08 · test
  18. Extrudr PETG vs PCTG vs XPETG-CF — results spreadsheet My Tech Fun (Igor Gaspar) · 2026-08 · test
  19. Prusament PETG-CF vs PETG V0 vs PETG — results spreadsheet My Tech Fun (Igor Gaspar) · 2026-08 · test
  20. BambuLab PETG Basic vs Translucent vs PETG-CF — results spreadsheet My Tech Fun (Igor Gaspar) · 2026-08 · test
  21. Mechanical Properties of Additively Manufactured Polymeric Materials — PLA and PETG — For Biomechanical Applications Polymers 16(13):1868 · 2024-06 · paper
  22. Prusament PETG V0 Technical Datasheet Prusa Polymers · 2026-08 · tds
  23. 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
  24. Eastman Spectar copolyester — Chemical resistance (unstressed bars, 1 year at 23 °C) Eastman Chemical Company · 2026-08 · tds
  25. Improve your 3D prints with chemical smoothing Prusa Research · 2026-08 · doc