high density polyethylene with SGS

highdensitypolyethylenecablesheathmaterial: Theproductispreparedbytwin-screwextruderusinglinearlowdensitypolyethyleneresinasmainrawmaterialandaddingmodifiedresin,carbonblack,lubricants,antioxidantanddecentralizedagents. Theproductsapplicabletoretaininglayerofcommunicationcable,controlcables,signalcablesandfiberopticcable,whichneedagoodperformanceofenvironmentalstresscrackingresistance,withthemaximumworkingtemperatureof70. Thesheathhasagoodprocessingperformance,awideprocessingrange,asmoothanddelicateproductsurface.TheproductiseasytoprocessforthecablingtechnologyissimilartotheLDPEsheath.withthetypicalcharacteristicsofenvironmentalstresscrackingresistancegreaterthan500hourscompletelyresolvestheproblemofmeltsurfaceruptureandsharkskin-likedefectsatthetimeofthelinearpolyethyleneprocessing.Theprocessingperformanceaswellasthetechnologyoftheproductisinthedomesticleadingposition.ThequalityoftheproductistobeonaparwithsimilarproductDFDB-6059producedbytheUCC. Specification: ITEM UNIT VALUE Meltflowindex G/min ≤0.5 Density G/cm3 0.92-0.94 Impactbrittlepointlowtemperature F -76 Tensilestrength MPa ≥20 Elongationatbreak % ≥650 Dielectricconstant Ω.m ≤2.75 Tangentofthemediumspoilageangle ≤0.005 Contentofblackcarbon % 2.60+/-0.25 Oxidationinductivetime min ≥30 Resistancetoenvironmentalstress H ≥500