Quick3D Polymaker PolyFlex-TPU90
PolyFlex · TPU filament for FFF
Overview
Very soft 90A TPU filament based on Covestro Addigy, highly elastic and quick to print; a direct-drive extruder is advised. Used for soft-touch items like phone cases and watch straps.
Summarised from the Polymaker product page.
- Material type
- Flexible
- Brand family
- PolyFlex
- Polymer
- TPU
- Processing technology
- FFF
- Material form
- Filament
- Manufacturer
- Polymaker
- Reinforcements
- None
Characteristics
- FlexibleRubber-like material that bends and springs back.
Certifications
- ISO 10993 biocompatibility (skin contact)Tested for biological safety when in contact with the human body (ISO 10993).
- REACHComplies with the EU REACH regulation on chemicals — no substances of very high concern above the allowed limits.
- RoHSFree of restricted hazardous substances such as lead, mercury and cadmium (EU RoHS directive) — needed for electrical and electronic products sold in the EU.
As stated by Polymaker — RoHS and REACH are Polymaker declarations covering its whole product range. Ask us for the certificate if you need it for an audit.
Applications
Based on this material's datasheet values. Every part is different — ask an engineer to confirm it suits yours.
Physical
- 1.21 at 23g/cm³ ISO1183, GB/T1033
- 6.1g/10 min 185°C, 1.2 kg
Mechanical
- 592.1 ± 32.9% ISO 37, GB/T 528
- 90A ISO 7619-1, GB/T 531.1
- 7.1 ± 0.3MPa ISO 37, GB/T 528
- 9.0 ± 0.9MPa ISO 37, GB/T 528
- 13.2 ± 0.6MPa ISO 37, GB/T 528
- 19.0 ± 0.9MPa ISO 37, GB/T 528
Chemical resistance
Versus other TPU
See where it ranks against the 30 other TPU materials we stock.
Typical values from each manufacturer's datasheet. Test methods can differ between brands, so treat small gaps as a tie.
Downloads
- Technical data sheet (TDS)TDS_Polymaker_PolyFlex-TPU90_V5.6_2025-12-11_EN.pdf Download
- Quick3D summaryThis page as a printable PDF
Values from the Polymaker technical data sheet and product page. Last updated . Typical values, not guaranteed minimums — see the disclaimer below.