Strippable semicondutive shielding

Description:HaiFeng YPB-35 is a crosslinkable,semiconductive shielding designed for easy strippable insulation shielding in crosslinked polyethylene insulated power at 35KV and below.HaiFeng YPB-35 was designed to have excellent stripped property and excellent processability.Specifications:Cable with easy strippable insulation shielding of HaiFeng YPB-35,when prepared using sound commecial processing practice and testing procedure ,meet the following industrial cable specifications.AEIC CS 8ICEA S-94-649IEC 60502 PropertiesTest MethodUnitValuePhysical PropertiesDensity,23degree cASTM D1505g/cm³1.12Tensile strengthASTM D 638MPa15.3Elongation at breakASTM D 638%330After hot-aging,168hrs at 135degree cASTM D 638Variation of tensile strength%29Variation of elongation at break%30Brittleness temperatureASTM D 746degree c<-45Hot set test,200degree c,0.2MPaElongation,15minIEC60811%42Permanent deformationIEC60811%0Moisture ContentKarl fisherPpm<500Stripping strength 20 degree cMTP2009(3)N/cm21Electrical propertiesDC Volume resistivity atASTM D 99123 degree cΩ.cm5690 degree cΩ.cm520 TEST REPORT BY CHINA NATIONAL CENTRE FOR QUALITY SUPERVISION AND TEST OF ELECTRIC WIRE AND CABLETest itermUnitTechnological requimentsTest resultsRelative density at 20 degree cg/cm³≤1.21.16Tensile strengthMPa≥10.013.0elongation at break%≥200264Max variation of tensile strength%≤±306.2Max variation of elongation at break%≤±30-24Impact Brittleness Temperature at -40degree c≤15/300/30Volume resistance at 20degree cΩ.cm≤10029Volume resistance at 90degree cΩ.cm≤250049 Test Report about Heavy MetalTesting environment:21 23degree c,Humidity:50 53%RH,Pressure:101kPaTest itermDetection basedTechnical Requirements(mg/kg,≤)Detection limit(mg/kg)Test results(mg/kg)PbIEC 62321-2008 section 810002NDCdIEC 62321-2008 section 81002NDHgIEC 62321-2008 section 710002NDCr(VI)IEC 62321-2008 Annex C10002NDND--not detective ,below the detection limit