Product description产品描述
Chemical cross-linkable PE insulation compound for power cables which regards advanced LDPE resin as the main raw material, adds antioxidant, cross-linking agent and other accessory ingredients, is manufactured by advanced closed extruding equipment. It has excellent extrusion property and physical property, its impurity content is controlled within limits. This product is mainly used as the insulation of medium-low voltage cross-linking cables. Long-term working temperature is 90℃.
电力电缆用可化学交联聚乙烯绝缘料是以优质低密度聚乙烯树脂为主要原材料，加入抗氧剂、交联剂等助剂，采用先进的封闭式混炼装置加工而成，它兼有良好的挤出性能和物理性能，杂质含量符合要求，专用于生产中、低压交联电线电缆,长期工作温度为90℃。
Processing Indicator 加工工艺
Recommend to process with the PE extruder
建议使用聚乙烯专用挤出机进行加工。
| Model 牌号 |
Machine Barrel Temperature 机筒温度 |
Molding Temprature 机头温度 |
| XEJ-10/ XEJ-35 | 100-115℃ | 110-115℃ |
Item试验项目 |
Unit 单位 |
Standard Data标准值 |
||
| XEJ-10 | XEJ-35 | |||
| Density 密度 |
g/cm3 | 0.922±0.003 | 0.922±0.003 | |
| Tensile Strength 拉伸强度 |
MPa | ≥13.5 | ≥13.5 | |
| Elongation at Break 断裂伸长率 |
% | ≥350 | ≥350 | |
| Brittle Temperature with Low Temperature 低温脆化温度 |
℃ | -76 | -76 | |
| 20℃Volume Resistivity 20℃体积电阻率 |
Ω·m | ≥1.0×1014 | ≥1.0×1014 | |
| 20℃Dielectric Strength,50Hz 20℃介电强度, 50Hz |
MV/m | ≥25.0 | ≥25.0 | |
| 20℃Dielectric Constant,50Hz 20℃介电常数, 50Hz |
--- | ≤2.35 | ≤2.35 | |
| 20℃Dielectric Dissipation Factor,50Hz 20℃介质损耗因数, 50Hz |
--- | ≤0.001 | ≤0.0005 | |
| Impurity Content（Per 1.0Kg） 杂质含量（每1.0Kg） 0.175-0.250 mm ≥0.250 mm |
个(No.) 个(No.) |
--- | ≤5 0 |
|
| Air Aging Condition 热空气老化条件 135℃×168h |
Tensile Strength Variation After Aging 拉伸强度变化率 |
% | ≤±20 | ≤±20 |
| Elongation Variation After Aging 断裂伸长变化率 |
% | ≤±20 | ≤±20 | |
| Hot Set Test Condition 热延伸试验条件 200℃×0.2MPa×15min |
Hot Elongation 负荷下伸长率 |
% | ≤80 | ≤80 |