Silicone Rubber (VMQ peroxide-cured) vs TPE/TPV Thermoplastic Vulcanizate (EPDM/PP Santoprene type)
Property comparison of Silicone Rubber (VMQ peroxide-cured) and TPE/TPV Thermoplastic Vulcanizate (EPDM/PP Santoprene type), both rubber elastomer.
| Property | Silicone Rubber (VMQ peroxide-cured) | TPE/TPV Thermoplastic Vulcanizate (EPDM/PP Santoprene type) | Difference |
|---|---|---|---|
| Tensile strength | 8 MPa | 11 MPa | +38% |
| Elongation | 400 % | 500 % | +25% |
| Poisson ratio | 0.5 | 0.49 | -2% |
| Density | 1,160 kg/m³ | 970 kg/m³ | -16% |
| Thermal conductivity | 0.23 W/m·K | 0.22 W/m·K | -4% |
| Specific heat | 1,400 J/kg·K | 1,900 J/kg·K | +36% |
| Coefficient of thermal expansion | 0.0003 1/K | 0.00017 1/K | -43% |
Difference is TPE/TPV Thermoplastic Vulcanizate (EPDM/PP Santoprene type) relative to Silicone Rubber (VMQ peroxide-cured). 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
What else is in Engineering Database
AI built for engineering. Searches the engineering database, performs calculations, gives source-backed engineering insights.
Get started for free ↗Reference Data375 engineering tablesMaterial properties, pipe and shape dimensions, code tables, and electrical ratings across mechanical, civil, chemical, electrical, materials, and manufacturing engineering.
Browse dataCalculatorsDeterministic engineering calculatorsSizing, checking, and conversion tools that run against the reference tables. Inputs are code-compliant, outputs are traceable to the source standard.
Browse calculators