Heat shrink cable accessories

Heatshrinkcable accessories Type WRS(outdoor) NRS(indoor) JRS(joint) Application Suitablefor1,6/10,8.7/10,8.7/15,12/20,21/35,26/36kV,XLPE,EPDM,PVCinsulationandoil-impregnatedpaperinsulation,singlecore,twocore,threecore,fourcore,fivecorepowercableindoorandoutdoorwithcrosssectionof25-500mm².Functionasinsulation,sealingandconnection. Features Heatshrinkcableaccessoryisshapedbyrubberandplasticcompoundmaterial,radiantcross-linked.Onlytoheatwithpropanegastorchduringinstalling.Itisconsistofinsulatingtube,semiconductortube,stresscontroltube,jackettube,oil-barriertube,breakoutandrainskirt. Themainpropertyofmaterial NO. item unit insulatingtube semi-conductingtube stresscontroltube oil-barriertube rainskirt jackettube testmethod 1 tensile-strength MPa 10 10 10 10 8 12 GB1040 2 elongationatbreak % 350 350 350 350 300 300 GB1040 3 brittletemperature -40 -40 - - -40 -40 GB5470 4 hardness(shoreA) 80 80 80 80 80 80 GB2411 5 changerateofhotagetensilestrengthatairbox changerateofelongationatbreak % ±20 ±20 ±20 ±20 ±30 --- GB7141 6 volumeresistivity Ω.m 1012 1-102 106-1010 1012 1012 1011 GB1410 7 dielectricconstant 4 - 20 4 5 - GB1409 8 Breakdownstrength kV/mm 20 - - 20 20 15 GB1408 9 anti-tracking 1A3.5 - - 1A3.5 - GB6553 10 hotimpulse160,4h nobreak,noflow,nodrop 11 oxygenindex 30 12 anti-oil80stickinessimpregnatedcableoil168h changerateoftensilestrength changerateofelongationatbreak % - - - ±20 - - 13 waterabsorption23±2,24h % 0.1 0.1 14 Aftershrinkingrestrictivelyfrequencyvoltage1min kV 2 - - 2 2 2