Polymer Properties: pmma
Mechanical, thermal, and electrical properties of engineering polymers and plastics — tensile strength, modulus, impact resistance, thermal limits, and processing data
| polymer id | condition | coefficient of thermal expansion um mK (um/mK) | common name | density kg m3 (kg/m3) | dielectric strength kV mm (kV/mm) | elongation at break pct (%) | flexural modulus GPa (GPa) | flexural strength MPa (MPa) | glass transition temp C (C) | hardness shore D (Shore D) | heat deflection temp C (C) | impact strength izod J m (J/m) | max service temp C (C) | notes | specific heat kJ kgK (kJ/kgK) | tensile modulus GPa (GPa) | tensile strength MPa (MPa) | thermal conductivity W mK (W/mK) | ul94 flame rating | water absorption pct (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pmma | impact_modified | 75 | PMMA (Impact Modified) | 1,150 | 16 | 10 | 2.6 | 85 | 95 | 80 | 80 | 100 | 75 | Rubber-toughened PMMA; amorphous | 1.46 | 2.8 | 55 | 0.18 | HB | 0.3 |
| pmma | standard | 70 | PMMA (Acrylic) | 1,190 | 18 | 4 | 3.1 | 110 | 105 | 85 | 95 | 20 | 80 | Poly(methyl methacrylate); optical grade; amorphous | 1.46 | 3.2 | 72 | 0.19 | HB | 0.3 |
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