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化学交联聚乙烯绝缘料 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℃
 
 
 
Physical and Electrical Properties 物理和电气性能

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