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          您所在的位置:网站首页 > > 产品中心 > XLPE绝缘材料 > 化学交联绝缘料220KV及以下超高压超纯净化学交联聚乙烯绝缘料 XEJ-220
          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材料,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

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