? | NE-9130 | NE-9140 | NE-9150 | NE-9160 | NE-9170 | ||||
?外观 | 透明,无机械杂质 | ||||||||
?密度?????????g/cm3 | 1.07±0.04 | ?1.13±0.04 | ?1.15±0.04 | 1.18±0.04 | 1.22±0.04 | ||||
?硬度?????????邵氏A | 30±2 | 40±2 | 50±2 | 60±2 | 70±2 | ||||
?拉伸强度????MPa?≥ | 8.0 | 8.0 | 8.5 | 8.5 | 8.0 | ||||
?扯断伸长率????%??≥ | 700 | 600 | 500 | 400 | 300 | ||||
?扯断永久变形??%??≤ | 8 | 8 | 8 | 8 | 8 | ||||
?撕裂强度?????kN/m?≥ | 15 | 20 | 25 | 25 | 25 | ||||
?体积电阻率??Ω·cm?≥ | 1.0×1016 | ||||||||
?介电强度???kV/mm?≥ | 22 | ||||||||
?一次线收缩率% | 3.1~3.7 | 3.0~3.6 | 2.9~3.4 | 2.8~3.3 | 2.6~3.2 | ||||
物理机械性能指标为一次硫化数据,电性能指标为二次硫化数据。 试片一次硫化条件:175℃Χ5mins 二次硫化条件:200℃ⅹ2hrs 硫化剂:液体双二五,加入量0.65% |