类别：聚合物；热塑性塑料；丙烯酸（有机玻璃）；丙烯酸树脂，紫外线固化
材料说明：优越的紫外线防护。
物性表：
物性表：
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.15 g/cc | 1.15 g/cc | ASTM D792 |
| Water Absorption | 0.40 % | 0.40 % | weight gain after 24 hr. immersion; ASTM D570 |
| Linear Mold Shrinkage | 0.0030 - 0.0080 cm/cm | 0.0030 - 0.0080 in/in | ASTM D955 |
| Melt Flow | 5.0 g/10 min @Load 3.80 kg, Temperature 230 °C |
5.0 g/10 min @Load 8.38 lb, Temperature 446 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 20 | 20 | ASTM D785 |
| Tensile Strength, Ultimate | 32.4 MPa | 4700 psi | ASTM D638 |
| Tensile Modulus | 1.79 GPa | 260 ksi | ASTM D638 |
| Flexural Strength | <= 55.2 MPa | <= 8000 psi | ASTM D790 |
| Flexural Modulus | 1.72 GPa | 250 ksi | ASTM D790 |
| Izod Impact, Notched | 0.481 J/cm | 0.900 ft-lb/in | ASTM D256 |
| Thermal Properties | Metric | English | Comments |
| Thermal Conductivity | 0.216 W/m-K | 1.50 BTU-in/hr-ft²-°F | ASTM C177 |
| Deflection Temperature at 0.46 MPa (66 psi) | 85.0 °C | 185 °F | annealed; ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 73.9 °C | 165 °F | annealed; ASTM D648 |
| Vicat Softening Point | 76.7 °C | 170 °F | 50°C/hr; 50N; ASTM D1525 |
| 91.1 °C | 196 °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 | 89 % @Thickness 3.17 mm |
89 % @Thickness 0.125 in |
ASTM D1003 |
图：
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