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10KV以下化学交联黑色聚乙烯架空隔热 YJW-10
Chemical Cross-Linkable PE Overhead Insulation Black Compound (≤10KV) ...
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Product description 产品描述
Chemical cross-linkable PE insulation black compound for power cables which regard advanced LDPE resin as the main material, add antioxidant, cross-linking agent and other accessory additives, is manufactured by advanced closed extruder. It has excellent extrusion property and physical property, impurity content is controlled within limits. This product is mainly used for the insulation of medium-low voltage cross-linking overhead cables. Working temperature is 90℃.It is applicable for 10KV and below cross-linking cables.
电力电缆用黑色化学交联聚乙烯绝缘子是以高质量、低密度聚乙烯树脂为主要原料,添加抗氧化剂、交联剂和其他复配剂,采用先进的密闭混合装置进行加工,具有良好的挤出性能和物理性能,杂质含量符合要求,致力于生产、低压交联架空电缆的绝缘,长期工作温度是90℃,本产品适用于10KV和下面的交联电线和电缆。
 
Processing Indicator 加工技术
Recommend to process with the PE extruder. 建议采用专用聚乙烯挤出机进行加工。


Model
品牌
Machine Barrel Temperature
汽缸温度
Molding Temperature
鼻温
YJW-10 100-115℃ 110-115℃

Physical and Electrical Properties 物理和电学性质
Item
试点项目
Unit
单元
Technical requirements
技术要求
Tensile Strength
抗拉强度
MPa ≥13.0
Elongation at Break
断续扩展
% ≥300
Brittle Temperature with Low Temperature
低温脆化温度
-76
20℃Volume Resistivity
20℃体积电阻
Ω·m ≥1.0×1013
20℃Dielectric Strength,50Hz
20℃介电强度, 50Hz
MV/m ≥22.0
20℃Dielectric Dissipation Factor,50Hz
20℃介质损耗因数, 50Hz
--- ≤0.001
Resistance to Environmental Stress Cracking F0
抗环境应力开裂F0
h ≥1000
Air Aging Condition
热风老化条件
135℃×168h
Tensile Strength Variation After Aging
抗拉强度变化率
% ±20
Elongation Variation After Aging
断裂伸长变化率
% ±20
Artificial Weathering Aging
人工气候老化0-1008h
Tensile Strength Variation After Aging
抗拉强度变化率
% ±30
Elongation Variation After Aging
断续扩展变化率
% ±30
Artificial Weathering Aging
人工气候老化504-1008h
Tensile Strength Variation After Aging
抗拉强度变化率
% ±30
Elongation Variation After Aging
断续扩展变化率
% ±30
Hot Set Test Condition
热延伸试验条件
200℃×0.2MPa×15min
Hot Elongation
荷载作用下延伸
% ≤80
Permanent Deformation After Cooling
冷却后永久变形
% ≤5