Phenolic Thermoset (Bakelite GP-20 type molding compound) vs PMMA (Acrylic)
Property comparison of Phenolic Thermoset (Bakelite GP-20 type molding compound) and PMMA (Acrylic), both polymer.
| Property | Phenolic Thermoset (Bakelite GP-20 type molding compound) | PMMA (Acrylic) | Difference |
|---|---|---|---|
| Tensile strength | 55 MPa | 72 MPa | +31% |
| Elongation | 1 % | 4 % | +300% |
| Poisson ratio | 0.35 | 0.38 | +9% |
| Density | 1,350 kg/m³ | 1,190 kg/m³ | -12% |
| Specific heat | 1,600 J/kg·K | 1,460 J/kg·K | -9% |
| Coefficient of thermal expansion | 0.000017 1/K | 0.00007 1/K | +312% |
Difference is PMMA (Acrylic) relative to Phenolic Thermoset (Bakelite GP-20 type molding compound). 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
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