Polyurethane Elastomer (AU/EU Cast 90A) vs TPU Elastomer (Thermoplastic PU ester 85A BASF Elastollan)
Property comparison of Polyurethane Elastomer (AU/EU Cast 90A) and TPU Elastomer (Thermoplastic PU ester 85A BASF Elastollan), both rubber elastomer.
| Property | Polyurethane Elastomer (AU/EU Cast 90A) | TPU Elastomer (Thermoplastic PU ester 85A BASF Elastollan) | Difference |
|---|---|---|---|
| Tensile strength | 39 MPa | 40 MPa | +3% |
| Elongation | 580 % | 500 % | -14% |
| Poisson ratio | 0.48 | 0.49 | +2% |
| Density | 1,270 kg/m³ | 1,200 kg/m³ | -6% |
| Thermal conductivity | 0.19 W/m·K | 0.23 W/m·K | +21% |
| Specific heat | 1,760 J/kg·K | 1,800 J/kg·K | +2% |
| Coefficient of thermal expansion | 0.00015 1/K | 0.00017 1/K | +13% |
Difference is TPU Elastomer (Thermoplastic PU ester 85A BASF Elastollan) relative to Polyurethane Elastomer (AU/EU Cast 90A). Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.
Identification
- standard
- ASTM
- standard
- ASTM D1418
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