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超高压电缆用的半导电PVC护套料 BD-PVC-1307
Semi-conductive PVC Jacketing Compound for EHV Cables...
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Product description 产品描述
This product is specially designed as extrusion semi-conductive shielding compound for PVC outer jacketing of EHV and high-voltage power cables. It has excellent mechanical property, electrical property and heat-resistant processability. Its extrusion surface is very smooth, well compatibly with PVC jacketing compounds, and tightly contacts with jacketing layers. It is an ideal compound which can well meet current customers’ need instead of graphite coating.
该产品是针对超高压或高压电力电缆PVC外护层专门设计的挤包型半导电屏蔽料。具有优异的机械性能、电性能,以及良好的耐高温加工性能,挤出表面光滑,与电力电缆用PVC护套料相容性好,与护套层紧密接触。适用目前客户需求,代替石墨涂层的理想产品。
 
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-PVC-1307 145-160℃ 170-165℃
 
 
Physical and Electrical Properties 物理和电气性能
Item
试验项目
Unit
单位
Technical requirements
技术要求
Tensile Strength
拉伸强度
Mpa ≥12.5
Elongation at Break
断裂伸长率
% ≥150
Air Aging
空气烘箱老化
(100℃±2)℃×168h
Changing rate of Tensile strength
抗张强度变化率
% ±30
Elongation Variation After Aging
断裂伸长率变化率
% ±30
Brittle Temperature With Low Temperature Impact
低温冲击脆化温度
-15
20℃Volume Resistivity
20℃体积电阻率
Ω·cm ≤50
Relative Density
相对密度
g/cm3 ≤1.40