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化学交联聚乙烯隔热 XEJ-10 XEJ-35
Chemical Cross-Linkable PE Insulation Compound...
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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℃.
电力电缆用化学交联聚乙烯隔热 以高质量、低密度聚乙烯树脂为主要原料,添加抗氧化剂、交联剂及其他助剂,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、低压交联电线电缆,长期工作温度是90℃。
 
 
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 Temprature
鼻温
XEJ-10/ XEJ-35 100-115℃ 110-115℃
 
 
 
Physical and Electrical Properties 物理和电学性质

Item

试点项目

Unit
单元

Standard Data

标准值

XEJ-10 XEJ-35
Density
密度
g/cm3 0.922±0.003 0.922±0.003
Tensile Strength
抗拉强度
MPa ≥13.5 ≥13.5
Elongation at Break
断续扩展
% ≥350 ≥350
Brittle Temperature with Low Temperature
低温脆化温度
-76 -76
20℃Volume Resistivity
20℃体积电阻
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
热风老化条件
135℃×168h
Tensile Strength Variation After Aging
抗拉强度变化率
% ≤±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
荷载作用下延伸
% ≤80 ≤80