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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