Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA CP-81A Zhenjiang Lu Cai Te
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Plastic Datasheets
| Mechanical properties | Test Condition | Test Method | Zhenjiang Lu Cai Te/CP-81A |
|---|---|---|---|
| Impact strength of cantilever beam gap | ASTM D256/ISO 179 | 0.4 kg·cm/cm(J/M)ft·lb/in | |
| Rockwell hardness | ASTM D785 | 95 | |
| tensile strength | ASTM D638/ISO 527 | 9.800 kg/cm²(MPa)[Lb/in²] |
| optical performance | Test Condition | Test Method | Zhenjiang Lu Cai Te/CP-81A |
|---|---|---|---|
| refractive index | ASTM D542/ISO 489 | 1.49 | |
| transmittance | ASTM D1003/ISO 13468 | 92 % |
| other | Test Condition | Test Method | Zhenjiang Lu Cai Te/CP-81A |
|---|---|---|---|
| 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 |
| Physical properties | Test Condition | Test Method | Zhenjiang Lu Cai Te/CP-81A |
|---|---|---|---|
| Shrinkage rate | ASTM D955 | 0.002-0.006 % | |
| density | ASTM D792/ISO 1183 | 1.19 | |
| 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 | Zhenjiang Lu Cai Te/CP-81A |
|---|---|---|---|
| Combustibility (rate) | UL 94 | HB | |
| Heat distortion temperature | HDT | ASTM D648/ISO 75 | 98 ℃（℉） |
| vicat | ASTM D1525/ISO R306 | 107 ℃（℉） |
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