Product Description 产品描述
Semi-conductive PE jacketing compound for EHV cables mainly regards polymer raw material as carriers, and adds conductive carbon black, anti-oxidant, auxiliary ingredient, and operated through compounding processes. It is mainly used for semi-conductive outer jacketing of EHV cables and other related applications. This product has excellent processability, mechanical properties, heat-resistant property and high temperature cracking-resistant properties.
超高压电缆专用半导电聚烯烃护套料主要以高分子材料为载体，加入导电炭黑、抗氧剂、加工助剂经混炼设备制造而成。主要用于超高压电压等级半导电电缆外护套层等相关应用领域。本产品具有优异的加工性能、机械物理性能、耐热性能和抗高温开裂性等特点。
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 Temperature
机头温度 |
| BD-PE-1818 |
80-150℃ |
160-220℃ |
Special Attention: 60 ℃ pre-drying before using. Recommend processing temperature 180-220 ℃.
Pack with vacuum aluminum foil as inner bags and kraft paper compound pocket outside.
Net 25KG/bag, and should be moisture proof and fire proof.
特别注意：使用前60℃预烘干; 建议加工温度为180-220℃；采用抽真空铝箔内袋，外加牛皮纸复合袋，25公斤/袋；防潮、防火。
Physical and Electrical Properties 物理和电气性能
Item
试验项目 |
Unit
单位 |
Performance requirements
性能要求 |
Tensile Strength
拉伸强度 |
Mpa |
≥12.0 |
Elongation at Break
断裂伸长率 |
% |
≥450 |
Air Aging
空气烘箱老化 |
（100℃±2）℃168h |
Changing rate of Tensile strength
抗张强度变化率 |
% |
±25 |
Elongation Variation After Aging
断裂伸长率变化率 |
% |
±25 |
Brittle Temperature With Low Temperature Impact
低温冲击脆化温度 |
℃ |
-45 |
20℃Volume Resistivity
20℃体积电阻率 |
Ω·cm |
≤100 |
Relative Density
相对密度 |
g/cm3 |
≤1.20 |
Resistance to Environmental Stress Cracking
耐环境应力开裂 |
Hrs |
＞500 |
