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Transparent per spool Brand: Yiqiu3D · A phone case printed in flexible filament fails for one reason: the case has to stretch over the body and then go back to shape a hundred times. This TPU Filament Black Flexible range is specified for that cycle - high elasticity with abrasion and oil resistance, and enough shock absorption to take a drop - so the case deforms and recovers instead of whitening at the corner.
Elastic recovery is the property at work: the polymer returns to its shape after the strain is removed, so a case that is stretched over a phone springs back rather than staying loose. That is also what makes it suitable for grips, sleeves and seals, which are compressed and released many times.
Full answers belowBest for: For flexible, impact-absorbing parts - gaskets, phone cases, seals and vibration dampers - available in 9 colours; lead colour Black per spool. Not ideal for: Not for rigid structural parts; use ABS, PETG or a CF grade for stiffness - available in 9 colours; lead colour Black per spool.
Nozzle 220°C
Black is the stocked lead colour and the one that ships first: a clean, even black that does not read grey or patchy across a wall, and one lot that matches the next so a run of cases or grips leaves the printer looking like one production batch rather than a set of samples from different suppliers.
1.75mm diameter on a standard round spool, 1 kg net filament per spool, the nozzle temperature confirmed for this grade, black as the lead shade and 9 stocked shades in the range, so one slicer profile covers the flexible work you run.
TPU is soft filament: it prints on a direct-drive or short Bowden extruder and needs slow print speeds, or the strand buckles between the drive gear and the nozzle. Inside that window it feeds like a normal FDM material on Bambu Lab, Creality and Prusa style 1.75mm machines, and the round spool sits in a standard holder or dry box without an adapter.
| Diameter | 1.75mm |
|---|---|
| Material | TPU |
TPU Filament 1.75mm Flexible prints best at 220°C nozzle.
| Nozzle Temp | 220°C |
|---|
Spool details for your feeding and handling setup.
| Gross Weight | 1.3 kg |
|---|---|
| Spool Size (L×W×H) | 20.5 × 20.5 × 6 cm |
| Pack Format | Piece |
| Spool Type | Round Spool |
| Country / Region | china |
|---|---|
| HS Code | 39169010 |
| Item No. | tpu-flexible-shock-absorbing-parts-cases-seals |
| Diameter | 1.75mm |
| Appearance | Round Spool |
| Diameter | 1.75mm |
| Appearance | Round Spool |
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