类别：聚合物；热塑性塑料；丙烯酸（有机玻璃）
材质说明：优异的耐候性，高透明度，良好的耐热性。
物性表：
物性表：
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.19 g/cc | 1.19 g/cc | ASTM D792 |
| Melt Flow | 3.0 g/10 min @Load 3.80 kg, Temperature 230 °C |
3.0 g/10 min @Load 8.38 lb, Temperature 446 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell R | 95 | 95 | ASTM D785 |
| Tensile Strength, Yield | 68.9 MPa @Thickness 3.17 mm |
10000 psi @Thickness 0.125 in |
Type I; ASTM D638 |
| Elongation at Break | 7.0 % | 7.0 % | ASTM D638 |
| Flexural Yield Strength | 110 MPa @Thickness 3.17 mm |
16000 psi @Thickness 0.125 in |
Type I; ASTM D790 |
| Flexural Modulus | 3.10 GPa @Thickness 3.17 mm |
450 ksi @Thickness 0.125 in |
Type I; ASTM D790 |
| Izod Impact, Notched | 0.422 J/cm @Thickness 3.17 mm, Temperature 22.8 °C |
0.790 ft-lb/in @Thickness 0.125 in, Temperature 73.0 °F |
ASTM D256 |
| Thermal Properties | Metric | English | Comments |
| Deflection Temperature at 1.8 MPa (264 psi) | 93.9 °C @Thickness 3.17 mm |
201 °F @Thickness 0.125 in |
annealed; ASTM D648 |
| Vicat Softening Point | 104 °C | 219 °F | ASTM D1525 |
| Optical Properties | Metric | English | Comments |
| Refractive Index | 1.49 | 1.49 | ASTM D542 |
| Haze | <= 0.50 % | <= 0.50 % | ASTM D1003 |
| Transmission, Visible | 93 % | 93 % | Total light Transmission; ASTM D1003 |
图：
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