TPU 95A filament: the numbers
Thermoplastic polyurethane, Shore 95A. Typical uses: phone cases, gaskets, wheels and tyres, watch straps.
1.21 g/cm³density (1.18–1.24)
344 mper kg at 1.75 mm
2.91 gper metre
220–240 °Cnozzle
30–50 °Cbed
0.8%linear shrinkage
$28typical per kg ($20–45)
70 °Cmax service temperature
Not neededenclosure
70 °C · 6 hdrying (medium hygroscopic)
3/5difficulty · medium strength · flexible
Printing tips
- Direct-drive extruder strongly preferred; slow to 20-40 mm/s on Bowden.
- Minimal or zero retraction to avoid grinding the filament.
- Dry before printing; wet TPU strings and bubbles badly.
Grams ↔ metres for TPU 95A
What a TPU 95A print costs
Questions about TPU 95A
What temperature should I print TPU 95A at?
Nozzle 220–240 °C and bed 30–50 °C are the usual range. Start in the middle and tune with a temperature tower; no enclosure is needed.
How many metres of TPU 95A are in a 1 kg spool?
About 344 m at 1.75 mm (density 1.21 g/cm³). One metre weighs 2.91 g.
Does TPU 95A need drying?
Yes — it is moderately hygroscopic. Dry at 70 °C for 6 hours before printing if it has been open for more than a few days.
How much does TPU 95A shrink?
About 0.8% linear. To compensate, scale X and Y by 100.81% in the slicer, or measure a test print and use the shrinkage calculator.
Sources: en.wikipedia.org, wiki.polymaker.com