是以高纯净聚烯烃树脂为基料,加入优质高效的阻燃剂、交联敏化剂、抗氧剂及其它加工助剂,经混炼、塑化、造粒而成,具有优良的机械物理性能、电性能、阻燃性能,而且具有高耐热、等特点。无析出污染,符合 Rohs等的相关要求,易于挤出加工。
产品应用:适用于布线等。
项目Testing items | 标准数值VALUE | 典型值Typicalvalue | 单位UNIT | 方法Metho d |
密度/Density(20℃) | ≤1.7 | 1.65 | g/cm3 | GB/T 1033 |
辐照前抗张强度/Tensile strength before irradiation | ≥8 | 8.8 | MPa | GB/T 1040 |
辐照前断裂伸长率/Elongation at break before irradiation | ≥180 | 190 | % | GB/T 1040 |
老化前抗张强度/Tensile strength before aging | ≥10 | 12.5 | MPa | GB/T 1040 |
老化前断裂伸长率/Elongation at break before aging | ≥150 | 165 | % | GB/T 1040 |
热延伸/Hot extension 200℃,0.2Mpa,15min | ||||
负荷下伸长率The elongation rate under load | ≤100 | 30-50 | % | GB/T 2951.21 |
冷却后永久变化率 Permanent rate of change after cooling | ≤15 | 2 | % | |
热老化性能/heat deterioration 135±2℃,168h | ||||
拉伸强度变化率Rate of change in the tensile strength | ≤±30 | 25 | % | GB/T 2951.12 |
断裂伸长率变化率Rate of change of fracture elongation | ≤±30 | -29 | % | GB/T 2951.12 |
冲击脆化温度/Impact brittlement temperature(-40 ºC) | ≤15/30 | 0/30 | 个/PCS | GB/T 5470 |
体积电阻率/Volume resistivity(20ºC) | ≥1.0×1012 | 4.5×1012 | Ω·m | GB/T 1410 |
介电强度/Dielectric strength(20ºC) | ≥20 | 30.0 | MV/m | GB/T 1408.1 |
氧指数/Oxygen index | ≥35 | 36 | % | GB/T 2406 |
卤酸气体发生量/Amount of halogen acid gas | ≤0.5 | 0.1 | mg/g | IEC 60754 |
PH 值/PHvalue | ≥4.3 | 5.5 | - | IEC 60754 |
电导率/Conductivity | ≤2.5 | 2 | μs/mm | IEC 60754 |
烟密度有焰/Smoke density with flame | ≤100 | 85 | - | GB/T 8323 |
热释放速率峰值/Peak heat release rate | ≤180 | 150 | kW/m2 | ISO/5660 |
热释放总量/Total heat release | ≤180 | 105 | MJ/m2 | ISO/5660 |
平均热释放速率/Average heat release rate | ≤100 | 74 | kW/m2 | ISO/5660 |
注意事项;
1·确保挤出机螺杆、螺筒、机头清理干净。
2·开机前挤出机温度达到设定值后需再恒温0.5小时左右,开机排料时,熔体温度应控制在170-180℃左右。
3·过滤网选择推荐60目+80目+60目组合型滤网。
4·正常开机后尽量少变动挤出机工艺参数。