C)shouldbetestedasperGB/T17650(IEC60754–2),whichpHisnoless4.3andtheconductivityshouldbelessthan10μs/mm.9、电缆的导体直流电阻及绝缘电阻见表3。TheDCresistanceofconductorandinsulationresistanceisshownintable3.表3Table3导体截面积Nominalsectionalareamm220℃时导体直流电阻DCresistanceofconductorat20℃≤Ω/km20℃时绝缘电阻Insulationresistanceat20℃≥MΩ·km不镀锡Untinned镀锡Tinned聚乙烯交联聚乙烯PEorXLPEinsulated阻燃聚烯烃聚氯乙烯POorPVCinsulatedⅠ类KindⅠⅡ类KindⅡ软结构FlexibleⅠ类KindⅠⅡ类KindⅡ软结构Flexible0.536.036.039.036.736.740.11200120.7524.524.526.024.824.826.71000101.018.118.119.518.218.220.01000101.512.112.113.312.212.213.79009注:阻燃聚烯烃绝缘电缆的绝缘电阻也可达到PE或XLPE绝缘电缆的要求。若有此要求,请顾客在订货合同中注明。Note:TheinsulationresistanceofHFPOcanalsoreachthelevelofPEorXLPEinsulatedcable.Ifthereareanyrequirementsaboutit,pleasenoteitinthecontracts.电缆结构尺寸ConstructionandDimension见表4。Itisshownintable4.
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