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压克力挤出板物理性
2025-01-21
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| 性能 Property |
性能 Property |
ASTM Typical Value 3 Method mm (Thickness) |
| 机械性能 Mechanical Property |
比重Specific Gravity | D792 1.19 |
| 拉伸强度Tensile Strength | D638 700 kg/cm² | |
| 弯曲强度Flexural Strength | D790 1170 kg/cm² | |
| 弯曲弹性率Modulus of Elasticity | 28000-35000kg/cm² | |
| 压缩强度Compressive Strength | D695 1200 kg/cm² | |
| 洛氏强度Rockwell Hardness | D785 M-100 | |
| 光学性能 Optical Property |
屈折率Refractive Index | D542 1.49 |
| 透光率Light Transmission,Total | D1003 93% | |
| 热性能 Thermal Property |
成型温度Forming Temperature | Approx 150-180℃ |
| 变型温度Deflection Temperature | D648 95℃ | |
| 软化点Vicat Softening Point | D1525 120℃ (223℉) | |
| 线膨胀系数Coefficient of Linear Thermal Expansion (-18℃ To 38℃ Ave) |
D696 5×10-5cm/cm/℃ | |
| 热传导系数 Coefficient of Thermal Conductivity |
Cenco-Fitch 6×10-5 cm/cm/℃ | |
| 自燃温度Selflgnition Temperature | D1929 443℃ | |
| 比热Specific Heat | 0.35 (BTU/1b℉) | |
| 电气性能 Electrical Property |
内电阻Volume Resistivity | D257 1016ohm-cm |
| 表电阻Surface Resistivity | D257 1015ohm-cm | |
| 吸水率Water Absorption | D570 0.3 |