3D Printing Info

Filament comparison

PEBA vs PVDF

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

PEBA (polyether block amide) guidePVDF guide

2 selected · all documented properties

Open these two in the interactive comparisonMore PEBA comparisonsMore PVDF comparisons
PEBA vs PVDF — documented properties and sources
PropertyPEBA (polyether block amide)FLEXPVDFENGINEERING
Market snapshot
Listing priceUSD/kg; dated snapshots$60.99/kg median; $60.99–$60.99/kg across 1 dated product listings$250.67/kg median; $250.67–$250.67/kg across 1 dated product listings
Identity & Market
Base polymer / chemistryPolyether block amide: rigid polyamide and flexible polyether blocks.[1]Polyvinylidene fluoride — a semi-crystalline fluoropolymer[2][3]
Densityg/cm³1.01 g/cm³ (GB/T 1033; eSUN manufacturer data)[1]1.71 (ISO 1183) — the densest unfilled filament in the dataset[2]
Typical priceUSD/kgNot documented1 kg-equivalent spools cluster near 251[4]
Price range across brandsUSD/kgNot documented251 at 3DXTech's 750 g pricing — the most expensive material in the whole dataset[4]
Market availability1–5Not documentedSpecial order, 1–2 makers worldwide[4][5]
Spool sizes & diameters1.75 mm diameter, 1 kg spool.[6]1.75 and 2.85 mm; 750 g spools[4]
Typical applicationsManufacturer applications include footwear, sports equipment and cushioning.[1]Chemical-plant fittings, semiconductor handling and parts needing outstanding UV and chemical resistance[2]
Printing Parameters
Nozzle temperature°C230–260 °C; 240 °C recommended.[1]Not documented
Bed temperature°C60–90 °C[1]70–110 (3DXTech FluorX)[2]
Enclosure / chamber requirement1–5Not documentedEnclosure required (passive)[2]
Part cooling fan10–50% fan recommended; mechanical-test specimens used 50–100%.[1]Not documented
Bed surface & adhesion aidPEI build plate[1]Not documented
Maximum volumetric flow (mm³/s; see test conditions)mm³/s9 mm³/s maximum in eSUN spiral-vase test; mechanical specimens used 2 mm³/s. Linear recommendation 25–110 mm/s is a separate quantity.[1]Not documented
Warping tendency1–5Not documentedHigh — enclosure needed for reliable large parts[2]
Overall printing difficulty1–5Not documentedExpert / industrial hardware only[2][3]
Hardware Wear & Reliability
Nozzle hardness required1–4Not documentedBrass fine indefinitely for unfilled grades[2]
Abrasiveness1–5Not documentedNon-abrasive when unfilled[2]
Nozzle clog risk1–5Not documentedLow — 3DXTech lists no special nozzle concerns, no minimum layer height and states drying is not required[5]
Other hardware wearNot documentedHydrogen fluoride released on overheating is extremely corrosive and will attack hotend and enclosure metalwork as well as people[3]
Moisture Behaviour
Moisture absorption (hygroscopicity)1–5Not documentedNegligible (<0.1 % EMC) — fluoropolymers are essentially non-hygroscopic[2]
Drying temperature & time70–75 °C for 6–8 h; re-dry after receiving or extended exposure.[1]Not documented
Effect of moisture on strengthNot documentedNot applicable in practice — 3DXTech states drying is not required for PVDF, so there is no moisture-driven strength loss to measure[5]
Mechanical Properties
Tensile strength (XY)MPa>16.5 MPa printed XY, GB/T 1040; manufacturer lower bound, not an exact measurement.[1]51 at break (printed XY, ISO 527)[2]
Young's modulusMPaNot documented2450 (printed XY, ISO 527)[2]
Elongation at break%>520% printed XY, GB/T 1040; manufacturer lower bound.[1]25 at break (printed XY, ISO 527)[2]
Flexural strengthMPaNot documented50 (printed XY, ISO 178)[2]
Flexural modulusMPaNot documented1800 (printed XY, ISO 178)[2]
Other impact dataNot documentedIzod 133 J/m on extruded PVDF stock, converted from 2.49 ft-lb/in (ASTM D256)[7]
Layer adhesion / Z tensileMPa7.5 MPa printed Z, GB/T 1040 (manufacturer test)[1]Not documented
Brittleness1–5Not documentedTough — absorbs impact, yields before breaking[2]
Hardness (scale-specific)Shore A / Shore D / Rockwell90 Shore A nominal grade designation; do not compare numerically with Shore D or Rockwell.[6]Rockwell M79 on extruded PVDF stock (ASTM D785)[7]
Elasticity / flexibility1–5Not documentedSlightly flexible in thin sections[2]
Thermal Properties
HDT at 0.45 MPa°CNot documented149 on extruded PVDF stock (ASTM D648 at 66 psi; converted from 300 °F)[7]
HDT at 1.8 MPa°CNot documented113 on extruded PVDF stock (ASTM D648 at 264 psi; converted from 235 °F)[7]
Melting point / Vicat°C110 °C Vicat softening (GB/T 1633, 120 °C/h, 10 N); not HDT or a continuous-use rating.[1]170 melting (ISO 11357)[2]
Continuous service temperature°CNot documented149 long term and short term on extruded PVDF stock (converted from 300 °F)[7]
Thermal expansion (CTE)µm/m·KNot documented127.8 (extruded PVDF stock, ASTM D696; source states 7.1e-5 in/in/°F) — the highest thermal expansion of any engineering polymer in this dataset[7]
Flammability / UL 94Not documentedUL 94 V-0 on extruded PVDF stock; Ensinger lists inherent flame resistance[7]
Environment & Chemical
UV resistance1–5Not documentedExcellent — designed for permanent outdoor use; Ensinger lists good UV and weather resistance and high gamma radiation resistance for PVDF stock[2][7]
Chemical resistanceNot documentedOutstanding — resistant to most acids, solvents and oxidising agents, which is the reason to use it[2]
Water / humidity resistance in service1–5Not documentedExcellent — essentially unaffected[2]
Health & Safety
Fume toxicity1–5Not documentedVery high — toxic decomposition products; local exhaust mandatory. Above 315 °C thermal decomposition yields hydrofluoric acid, hydrogen cyanide and carbon monoxide[3]
Hazardous species emittedNot documentedAbove 315 °C: hydrofluoric acid, hydrogen cyanide, phenols, carbon monoxide, carbon dioxide and dense smoke. HF is extremely corrosive, its skin burns may not be immediately visible or painful, and exposure can be fatal by skin absorption, inhalation or ingestion[3]
Ventilation / filtration requirement1–5Not documentedLocal exhaust to outside / fume hood — the SDS states local exhaust is preferred[3]
Dust & fibre handling hazardNot documentedMolten polymer causes thermal burns and must not be pulled off the skin. If HF is detected during a decomposition event, cut the heat but keep the extraction running, ventilate, and clear non-essential people from the area[3]
Post-Processing
Dimensional accuracy & detailNot documentedThe processing window sits well below the 315 °C decomposition threshold, so nozzle temperature must be controlled rather than raised to chase flow[2][3]
Solvents & Solubility
Soluble inNot documentedTHF, MEK, DMF, DMAc, NMP, DMSO and trimethyl phosphate dissolve 5–10 wt% at ambient — Arkema's active solvents, all lab reagents.[8]
Softened or crazed byNot documentedAcetone, MIBK, cyclohexanone, butyl acetate and glycol ethers swell it; alkalis above pH 12 attack the homopolymer.[8][9]
Solvent welding & smoothing agentNot documentedNone for the workshop — the active solvents (NMP, DMAc, DMF) are laboratory reagents used for casting membranes, not joints.[8]

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. eSUN PEBA-90A Technical Data Sheet v1.0 (Aug 2025), checked 2026-10-17 eSUN · 2025-08 · tds
  2. FluorX PVDF Technical Data Sheet v3 3DXTech · 2026-08 · tds
  3. FluorX PVDF Safety Data Sheet v1.1 3DXTech · 2026-08 · msds
  4. 3DXTech product catalogue 3DXTech · 2026-08 · vendor
  5. FluorX PVDF — product page 3DXTech · 2026-08 · vendor
  6. eSUN PEBA-90A official product page: 1 kg price and product identity eSUN · 2026-10-17 · vendor
  7. TECAFLON PVDF natural — stock shape properties Ensinger · 2026-08 · tds
  8. Kynar PVDF — Design properties: solubility and irradiation (active and latent solvents) Arkema · 2026-08 · tds
  9. Kynar PVDF resin — chemical and fuel resistance Arkema · 2026-08 · tds