ACM Polyacrylate Rubber (Acrylic Rubber vulcanized) vs Butyl Rubber (IIR vulcanized)
Property comparison of ACM Polyacrylate Rubber (Acrylic Rubber vulcanized) and Butyl Rubber (IIR vulcanized), both rubber elastomer.
| Property | ACM Polyacrylate Rubber (Acrylic Rubber vulcanized) | Butyl Rubber (IIR vulcanized) | Difference |
|---|---|---|---|
| Tensile strength | 10 MPa | 14 MPa | +40% |
| Elongation | 200 % | 500 % | +150% |
| Poisson ratio | 0.5 | 0.5 | 0% |
| Density | 1,200 kg/m³ | 1,270 kg/m³ | +6% |
| Thermal conductivity | 0.18 W/m·K | 0.09 W/m·K | -50% |
| Specific heat | 1,700 J/kg·K | 1,900 J/kg·K | +12% |
| Coefficient of thermal expansion | 0.00016 1/K | 0.00019 1/K | +19% |
Difference is Butyl Rubber (IIR vulcanized) relative to ACM Polyacrylate Rubber (Acrylic Rubber vulcanized). 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 D1418
- standard
- ASTM
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