- 密度 [g/cm3]: 1.19
- 弯曲模量 [MPa]: 3.00
- 透光率 [%]: 93.0
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.19 g/cc | 0.0430 lb/in³ | ISO 1183 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 105 | 105 | ISO 2039-2 |
| Tensile Strength at Break | 75.0 MPa | 10900 psi | ISO 527 |
| Elongation at Break | 6.0 % | 6.0 % | ISO 527 |
| Tensile Modulus | 3.30 GPa | 479 ksi | ISO 527 |
| Flexural Strength | 125 MPa | 18100 psi | ISO 178 |
| Flexural Modulus | 3.00 GPa | 435 ksi | ISO 178 |
| Charpy Impact Unnotched | 1.50 J/cm² | 7.14 ft-lb/in² | ISO 179 |
| Charpy Impact, Notched | 0.200 J/cm² | 0.952 ft-lb/in² | ISO 179 |
| Electrical Properties | Metric | English | Comments |
| Volume Resistivity | 1.00e+15 ohm-cm | 1.00e+15 ohm-cm | DIN 53482 |
| Surface Resistance | 1.00e+14 ohm | 1.00e+14 ohm | DIN 53482 |
| Dielectric Constant | 3.6 @Frequency 50 Hz | 3.6 @Frequency 50 Hz | |
| Dielectric Strength | 30.0 kV/mm | 762 kV/in | DIN 53481 |
| Dissipation Factor | 0.060 @Frequency 50 Hz | 0.060 @Frequency 50 Hz | DIN 53483 |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 70.0 µm/m-°C @Temperature 20.0 °C | 38.9 µin/in-°F @Temperature 68.0 °F | ISO 11359-2 |
| Specific Heat Capacity | 2.16 J/g-°C | 0.516 BTU/lb-°F | ISO 3146-C-60ºC |
| Thermal Conductivity | 0.190 W/m-K | 1.32 BTU-in/hr-ft²-°F | DIN 52612 |
| Maximum Service Temperature, Air | 80.0 °C | 176 °F | Continuous Use |
| 90.0 °C | 194 °F | Short Term Use | |
| Deflection Temperature at 1.8 MPa (264 psi) | 105 °C | 221 °F | no pressure specified; ISO 75 |
| Vicat Softening Point | 115 °C | 239 °F | ISO 306 |
| Decomposition Temperature | >= 280 °C | >= 536 °F | |
| Optical Properties | Metric | English | Comments |
| Refractive Index | 1.492 | 1.492 | ISO 489 |
| Transmission, Visible | 93 % | 93 % | ISO 1183 |
| Processing Properties | Metric | English | Comments |
| Processing Temperature | 160 - 190 °C | 320 - 374 °F | Sheet Forming |
- 关键词:
- pmma
- 供应
- Polycasa CAST PMMA