PMMA CP-81A
138
CompareTechnical Data Sheet
| optical performance | Test Condition | Test Method | Test Result |
|---|---|---|---|
| transmittance | ASTM D1003/ISO 13468 | 92 % | |
| refractive index | ASTM D542/ISO 489 | 1.49 |
| other | Test Condition | Test Method | Test Result |
|---|---|---|---|
| notes | 干燥条件：70-85℃ 模具温度：70-90℃ 料售温度：180-230℃ 注塑压力：700-1400kg/cm² 退火条件2-4小时：65-80℃ | ||
| purpose | 眼镜支撑片、电子、挤出棒和管、反光镜、放大镜、微波炉门、寻呼机和手机屏、钢琴键盘、路灯罩 |
| Mechanical properties | Test Condition | Test Method | Test Result |
|---|---|---|---|
| Impact strength of cantilever beam gap | ASTM D256/ISO 179 | 0.4 kg·cm/cm(J/M)ft·lb/in | |
| tensile strength | ASTM D638/ISO 527 | 9.800 kg/cm²(MPa)[Lb/in²] | |
| Rockwell hardness | ASTM D785 | 95 |
| Physical properties | Test Condition | Test Method | Test Result |
|---|---|---|---|
| density | ASTM D792/ISO 1183 | 1.19 | |
| Shrinkage rate | ASTM D955 | 0.002-0.006 % | |
| melt mass-flow rate | ASTM D1238/ISO 1133 | 1.8 g/10min | |
| Water absorption rate | ASTM D570/ISO 62 | 0.3 % |
| Thermal performance | Test Condition | Test Method | Test Result |
|---|---|---|---|
| Combustibility (rate) | UL 94 | HB | |
| Heat distortion temperature | ASTM D648/ISO 75 | 98 ℃（℉） | |
| vicat | ASTM D1525/ISO R306 | 107 ℃（℉） |
IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.
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