Product description產品描述
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℃.
電力電纜用可化學交聯聚乙烯絕緣料是以優質低密度聚乙烯樹脂為主要原材料,加入抗氧劑、交聯劑等助劑,采用先進的封閉式混煉裝置加工而成,它兼有良好的擠出性能和物理性能,雜質含量符合要求,專用于生產中、低壓交聯電線電纜,長期工作溫度為90℃。
Processing Indicator 加工工藝
Recommend to process with the PE extruder
建議使用聚乙烯專用擠出機進行加工。
Model 牌號 |
Machine Barrel Temperature 機筒溫度 |
Molding Temprature 機頭溫度 |
XEJ-10/ XEJ-35 | 100-115℃ | 110-115℃ |
Item試驗項目 |
Unit 單位 |
Standard Data標準值 |
||
XEJ-10 | XEJ-35 | |||
Density 密度 |
g/cm3 | 0.922±0.003 | 0.922±0.003 | |
Tensile Strength 拉伸強度 |
MPa | ≥13.5 | ≥13.5 | |
Elongation at Break 斷裂伸長率 |
% | ≥350 | ≥350 | |
Brittle Temperature with Low Temperature 低溫脆化溫度 |
℃ | -76 | -76 | |
20℃Volume Resistivity 20℃體積電阻率 |
Ω·m | ≥1.0×1014 | ≥1.0×1014 | |
20℃Dielectric Strength,50Hz 20℃介電強度, 50Hz |
MV/m | ≥25.0 | ≥25.0 | |
20℃Dielectric Constant,50Hz 20℃介電常數, 50Hz |
--- | ≤2.35 | ≤2.35 | |
20℃Dielectric Dissipation Factor,50Hz 20℃介質損耗因數, 50Hz |
--- | ≤0.001 | ≤0.0005 | |
Impurity Content(Per 1.0Kg) 雜質含量(每1.0Kg) 0.175-0.250 mm ≥0.250 mm |
個(No.) 個(No.) |
--- | ≤5 0 |
|
Air Aging Condition 熱空氣老化條件 135℃×168h |
Tensile Strength Variation After Aging 拉伸強度變化率 |
% | ≤±20 | ≤±20 |
Elongation Variation After Aging 斷裂伸長變化率 |
% | ≤±20 | ≤±20 | |
Hot Set Test Condition 熱延伸試驗條件 200℃×0.2MPa×15min |
Hot Elongation 負荷下伸長率 |
% | ≤80 | ≤80 |