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东莞市晶宏塑胶原料有限公司
主营：工程塑料,通用塑料,热塑弹性体
东莞市晶宏塑胶原料有限公司
主营：工程塑料,通用塑料,热塑弹性体
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PPS R-4-230BL---R-4-230NA and R-4-230BL 40% glass fiber reinforced polyphenylene sulfide compounds provide reduced flash and improved processability compared to other polyphenylene sulfide injection molding compounds.
Physical performance rating unit system test method
Specific gravity: 1.68 g / cm 3 ASTM D792
Shrinkage
Flow: 3.20 mm 0.20%
Transverse flow: 3.20 mm 0.50%
Water absorption (23 ° C, 24 hr) 0.020% ASTM D570
Hardness rating unit system test method
Rockwell hardness ASTM d785
Grade m 104 ASTM d785
Grade r 122 ASTM d785
| 热性能 | 额定值 | 单位制 | 测试方法 |
|---|---|---|---|
| 载荷下热变形温度 (1.8 MPa, 未退火) | 265 | °C | ASTM D648 |
| 线形热膨胀系数 | ASTM E831 | ||
| 流动 : -50 到 50°C | 1.5E-5 | cm/cm/°C | ASTM E831 |
| 流动 : 100 到 200°C | 1.5E-5 | cm/cm/°C | ASTM E831 |
| 横向 : -50 到 50°C | 4.0E-5 | cm/cm/°C | ASTM E831 |
| 横向 : 100 到 200°C | 8.0E-5 | cm/cm/°C | ASTM E831 |
| 导热系数 | 0.31 | W/m/K | |
| UL温度额定值 | 200 到 220 | °C | UL 746B |