| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.19 g/cc | 1.19 g/cc | ASTM D792 |
| Water Absorption | 0.30 % | 0.30 % | weight gain after 24 hr. immersion; ASTM D570 |
| Linear Mold Shrinkage | 0.0020 - 0.0060 cm/cm | 0.0020 - 0.0060 in/in | ASTM D955 |
| Melt Flow | 8.0 g/10 min @Load 3.80 kg, Temperature 230 °C |
8.0 g/10 min @Load 8.38 lb, Temperature 446 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 90 | 90 | ASTM D785 |
| Tensile Strength, Ultimate | 68.9 MPa | 10000 psi | ASTM D638 |
| Tensile Modulus | 3.10 GPa | 450 ksi | ASTM D638 |
| Flexural Strength | <= 103 MPa | <= 15000 psi | ASTM D790 |
| Flexural Modulus | 3.10 GPa | 450 ksi | ASTM D790 |
| Izod Impact, Notched | 0.160 J/cm | 0.300 ft-lb/in | ASTM D256 |
| Thermal Properties | Metric | English | Comments |
| Thermal Conductivity | 0.187 W/m-K | 1.30 BTU-in/hr-ft²-°F | ASTM C177 |
| Deflection Temperature at 0.46 MPa (66 psi) | 92.8 °C | 199 °F | annealed; ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 90.6 °C | 195 °F | annealed; ASTM D648 |
| Vicat Softening Point | 91.1 °C | 196 °F | 50°C/hr; 50N; ASTM D1525 |
| 100 °C | 212 °F | 50°C/hr; 10N; ASTM D1525 | |
| Optical Properties | Metric | English | Comments |
| Refractive Index | 1.49 @Temperature 22.8 °C |
1.49 @Temperature 73.0 °F |
ND; ASTM D542 |
| Haze | <= 2.0 % @Thickness 3.17 mm |
<= 2.0 % @Thickness 0.125 in |
ASTM D1003 |
| Transmission, Visible | 92 % @Thickness 3.17 mm |
92 % @Thickness 0.125 in |
ASTM D1003 |
PMMA 溶于有机溶剂，如苯酚，苯甲醚等，通过旋涂可以形成良好的薄膜，具有良好的介电性能，可以作为有机场效应管（OFET，亦称有机薄膜晶体管）的介质层。
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