3D Printing flexible materials
TPU – semi-elastic thermoplastic polyurethane
TPU is a rubbery flexible plastic, that can still endure admirable mechanical stress. TPU is suitable for any project that requires a flexible, bendable part that doesn’t easily break. It is commonly used in various medical fields, tool manufacturing and even phone cases. TPU is biodegradeable and isn’t toxic.
There are two types of TPU, varying in flexibility: TPE 32 a TPE 88.
Examples of use:
- Merchandise – phone cases
- RC Models
datasheet – TPE 88
Thermal | Vicat softening temperature | ISO 306 | 100 °C |
Heat deflection temperature | ISO 75 | 100 °C | |
Mechanical | Impact strength | ISO 179 | 5,5 kJ/m2 |
Elongation at Break | ISO 37 | 300% | |
Tear resistance | ISO 34-1 | 27 N/mm | |
Physical | Density | ISO 1183/B | 0,88 g/cm3 |
Hardness | ISO 7619 | 88 Shore A |
datasheet – TPE 32
Thermal | Vicat softening temperature | ISO 306 | 100 °C |
Heat deflection temperature | ISO 75 | 100 °C | |
Mechanical | Impact strength | ISO 179 | 15 kJ/m2 |
Elongation at Break | ISO 37 | 650% | |
Tear resistance | ISO 34-1 | 41 N/mm | |
Physical | Density | ISO 1183/B | 1,10 g/cm3 |
Hardness | ISO 7619 | 32 Shore D |
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This post was written by Tomas