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Flexible series · flagship

TPU Hub

Five hardness grades from one factory, one drying recipe, one spool. Pick by feel, check the extruder and AMS flags, then download the profile.

85A Feels like: Running-shoe sole Folds flat, springs back 20–40 mm/s · Direct drive only · External holder Wearables · Cushions · Seals Shop 85A
90A Feels like: Bicycle inner tube Bends easily, firm rebound 30–50 mm/s · Direct drive · External holder RC tyres · Straps · Grips Shop 90A
95A Feels like: Shopping-cart wheel Bends, does not squish 40–80 mm/s · Direct drive or Bowden · External holder Phone cases · Bumpers · Insoles Shop 95A
98A Feels like: Tyre tread Flexes in thin walls 60–100 mm/s · Any · External holder Midsoles · Lattices · Pulleys Shop 98A
72D Feels like: Hard hat Rigid, tough, wear-resistant 80–150 mm/s · Any · AMS ✓ Saddles · Wheels · Housings Shop 72D

Use-case matrix

PartGradeWhy
Headphone cushions, wearables, gaskets85ASoftest touch, highest elongation (> 1100 %)
RC tyres, straps, tool grips90AAbrasion resistance with real flex
Phone cases, drone bumpers, insoles, dampers95AFastest to print, prints on Bowden
Shoe midsoles, lattices, pulleys98AHolds structure at 60–100 mm/s
Saddles, wheels, housings that get scraped72DHard, tough, wear-resistant, AMS-ready

Same numbers, different stiffness

GradeTensile (MPa)Elongation (%)Density (g/cm³)MFI (g/10 min)NozzleBed
85A30 ± 3> 11001.732 ± 5220–240 °C30–60 °C
90A30 ± 3> 10001.732 ± 5220–240 °C30–60 °C
95A30 ± 3> 9001.228 ± 3220–240 °C30–60 °C
98A30 ± 3> 8001.732 ± 5220–240 °C30–60 °C
72D30 ± 3> 7001.228 ± 3220–240 °C30–60 °C

Tensile ISO 527 on injection-moulded specimens. Elongation values are lower bounds.

Profiles and printing tips

Every TPU product page carries Bambu Studio, OrcaSlicer and PrusaSlicer presets tuned on the lab printers. The TPU printing guide covers retraction, drying and direct-drive vs Bowden step by step.

All profiles Hardness guide
Shoe printed in TPU 98A

Shop the ladder

Save 14% Not AMS
FilamentBay TPU 85A filament spool

TPU 85A Filament

$29.99$34.99
4+ spools $26.39
  • White
  • Black
220–240 °C · Dry 55 °C · 4 h
Choose options
Save 15% Not AMS
FilamentBay TPU 90A filament spool

TPU 90A Filament

$27.99$32.99
4+ spools $24.63
  • White
  • Grey
  • Black
  • Clear
  • Blue
  • Green
  • Red
  • Yellow
220–240 °C · Dry 55 °C · 4 h
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Save 17% Not AMS
FilamentBay TPU 95A filament spool

TPU 95A Filament

$24.99$29.99
4+ spools $21.99
  • White
  • Clear
  • Black
  • Blue
  • Orange
  • Yellow
  • Green
  • Red
220–240 °C · Dry 55 °C · 4 h
Choose options
Save 17% Not AMS
FilamentBay TPU 98A filament spool

TPU 98A Filament

$24.99$29.99
4+ spools $21.99
  • Black
  • Yellow
  • Blue
  • Orange
  • Grey
  • Red
  • Green
  • White
  • +2
220–240 °C · Dry 55 °C · 4 h
Choose options
Save 14% AMS
FilamentBay TPU 72D filament spool

TPU 72D Filament

$29.99$34.99
4+ spools $26.39
  • White
  • Clear
  • Black
220–240 °C · Dry 55 °C · 4 h
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TPU FAQ

Which TPU should I buy first?
95A. It prints on direct-drive and most Bowden printers, feels clearly rubbery and covers phone cases, bumpers and insoles.
Which grades need direct drive?
85A and 90A. 95A works on Bowden at 20–30 mm/s; 98A and 72D print on any extruder.
Which TPU works in a Bambu Lab AMS?
Only 72D. Bambu Lab lists TPU below 55D as unsupported; print 85A–98A from the external holder.
Do all grades dry the same way?
Yes: 55 °C for 4 hours. Do not exceed 65 °C or 8 hours.