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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) ...
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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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