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| Short designation |
TPU (also TPE-U) |
| Brand name |
Elastollan® (Bayer) |
| Chemical description |
Urethane-based TPE |
| Mechanical properties |
|
| Hardness range [Shore A/D] |
60A – 80D |
| Wear resistance |
Very good |
| Tensile strength [MPa] |
|
| Physical properties |
|
| Density [g/cm³] |
1.1 – 1.4 |
| Application temperatures |
|
| Temperature range, short-term [°C] |
-50 – 120 |
| Temperature range, continuous [°C] |
-40 – 90 |
| Other properties |
|
| Flammability according to UL 94 |
HB |
| Chemical resistance |
|
| Mineral grease and oils |
+ |
| Petrol |
- |
| Weak/strong acids |
o/- |
| Weak/strong alkalis |
+/o |
| Perchloroethylene |
- |
| Trichloroethylene |
- |
| Acetone |
- |
| Alcohols |
o |
| Brake fluid |
- (is dissolved) |
Hydrolysis resistance
(hot water) |
- |
| Weather/UV radiation |
o |
|
| + resistant / o conditionally resistant / - not resistant |
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