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  • 220KV及以下超高压超纯净化学交联聚乙烯绝缘料 XEJ-220
    Ultra-purity Chemical Cross-Linkable PE Insulation Compound for EHV Power Cable (≤220KV) ...
    型号:0

    参考价:¥

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    Product description 产品描述
    Chemical cross-linkable PE insulating compound for EHV power cable which regard advanced LDPE resin as the main material, adds antioxidant, cross-linking agent and other accessory addhesives, 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 High voltage &EHV cross-linking cables. It is applicable for 220KV and below cross-linking cables.
    电力电缆用可化学交联超高压超纯净聚乙烯绝缘料是以优质低密度聚乙烯树脂为主要原德赢vwin客户端下载,加入抗氧剂、交联剂等配合剂,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,专用于生产高压、超高压交联电线电缆绝缘,本产品适用于220KV及以下交联电线电缆。
     
    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
    XEJ-220
    115-120℃
    118-120℃
     
    Physical and Electrical Properties 物理和电气性能
    Item
    试验项目
    Unit
    单位
    Standard Data
    标准值
    Density
    密度
    g/cm3
    0.922±0.003
    Tensile Strength
    拉伸强度
    MPa
    ≥17.0
    Elongation at Break
    断裂伸长率
    %
    ≥450
    20℃Volume Resistivity
    20℃体积电阻率
    Ω·m
    ≥1.0×1014
    20℃Dielectric Strength,50Hz
    20℃介电强度, 50Hz
    MV/m
    ≥30.0
    20℃Dielectric Constant,50Hz
    20℃介电常数, 50Hz
    ---
    ≤2.3
    20℃Dielectric Dissipation Factor,50Hz
    20℃介质损耗因数, 50Hz
    ---
    ≤0.0003
    Impurity Content(Per 1.0Kg)
    杂质含量(每1.0Kg)
    100-250μm
    250-625μm
    >650 μm
     


     
    0
    0
    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
    Elongation Variation After Aging
    断裂伸长变化率
    %
    ±20
    Hot Set Test Condition
    热延伸试验条件
    200℃×0.2MPa×15min
    Hot Elongation
    负荷下伸长率
    %
    ≤75
    Permanent Deformation After Cooling
    冷却后永久形变
    %
    ≤5