• XLPE絕緣材料
• 內外屏蔽材料
• 汽車線束絕緣材料
• 彈性體材料
• UL系列材料
• 通用PVC材料

Product description and Application 產品描述和用途
SEJ90-2-KK(10) is two-step silane cross-linkable polyethylene insulation compound for medium-low voltage cables. It is mainly used for the insulation of medium-low voltage overhead cables through squeeze tube mold production process. Cables working voltage is 10KV and below, the highest working temperature is 90℃. The color of this product is black if there are no speical explanations.
SEJ90-2-KK(10)是中低壓電線電纜用二步法硅烷交聯聚乙烯絕緣料。主要用于通過擠管式模具生產的中低壓架空電纜的絕緣。電線電纜工作電壓為10KV及以下，最高工作溫度為90℃；在未經特殊說明本產品默認為黑色。
 
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 模頭溫度
SEJ90-2-KK(10)	155-175℃	180-190℃

 
 
Physical and Electrical Properties 物理和電氣性能

Item 試驗項目				Unit 單位	Technical requirements 技術要求
Density 密度				g/cm3	0.922±0.005
Tensile Strength 拉伸強度				MPa	≥13.0
Elongation at Break 斷裂伸長率				%	≥300
Brittle Temperature with Low Temperature 低溫脆化溫度				℃ 失效數	-76 ≤15/30
20℃Volume Resistivity 20℃體積電阻率				Ω·m	≥1.0×1014
20℃Dielectric Strength,50Hz 20℃介電強度, 50Hz				MV/m	≥25.0
20℃Dielectric Constant,50Hz 20℃介電常數, 50Hz				----	≤2.35
Air Aging Condition 熱空氣老化條件 135±2℃×168h		Tensile Strength Variation After Aging 拉伸強度變化率		%	±20
		Elongation Variation After Aging 斷裂伸長變化率		%	±20
Artificial  Weathering Aging 人工氣候老化0-1008h		Tensile Strength Variation After Aging 拉伸強度變化率		%	±30
		Elongation Variation After Aging 斷裂伸長率變化率		%	±30
Artificial Weathering Aging 人工氣候老化504-1008h		Tensile Strength Variation After Aging 拉伸強度變化率		%	±30
		Elongation Variation After Aging 斷裂伸長率變化率		%	±30
Hot Set Test Condition 熱延伸試驗條件 200×0.2MPa×15min	1mmthick 95 ℃ boiled 2 hours test 一毫米厚95℃水煮 2小時測試		Hot Elongation 負荷下伸長率	%	≤100
			Permanent Deformation after Cooling 冷卻后永久形變	%	≤5