类别：聚合物；热塑性塑料；丙烯酸（有机玻璃）；丙烯酸，挤出
材料说明：有机玻璃挤出板具有较低的分子量使它容易真空成型和挤压过程提供了优良的厚度公差和长期生产运行经济。
物性表：| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.19 g/cc | 0.0430 lb/in³ | ISO 1183 |
| Water Absorption | 0.20 % | 0.20 % | ISO 62 |
| Mechanical Properties | Metric | English | Comments |
| Hardness, Rockwell M | 101 | 101 | ISO 2039-2 |
| Tensile Strength, Ultimate | 70.0 MPa | 10200 psi | 5 mm/min; ISO 527 |
| Elongation at Break | 4.0 % | 4.0 % | 5 mm/min; ISO 527 |
| Flexural Strength | 107 MPa | 15500 psi | 2 mm/min; ISO 178 |
| Flexural Modulus | 3.03 GPa | 439 ksi | 2 mm/min; ISO 178 |
| Charpy Impact Unnotched | 1.00 J/cm² | 4.76 ft-lb/in² | ISO 179 |
| Thermal Properties | Metric | English | Comments |
| CTE, linear | 78.0 µm/m-°C @Temperature 20.0 °C |
43.3 µin/in-°F @Temperature 68.0 °F |
ASTM D696 |
| Vicat Softening Point | >= 105 °C | >= 221 °F | ISO 306A |
| Flammability, UL94 | HB | HB | |
| Flammability Test | 4.0 | 4.0 | BS 476, Pt7 |
| Optical Properties | Metric | English | Comments |
| Refractive Index | 1.49 | 1.49 | ISO 489/A |
| Transmission, Visible | >= 92 % | >= 92 % | clear grade; in 3 mm (colored grades lower); ASTM D1003 |
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