Kraft Paperis used in oil transformer,elelctric cable and other insulation materidals with high electric,stable chemical index,high physical strengthIndex itemunitdemand1.thickness tolerance(max.)% ±10 2.densityg/cm31.0-1.23.tensile strength(mix.)longitudinalMpa804. tensile strength(mix.)traverseMpa405. tensile strength(mix.) traverse after foldingMpaA B 35 406. tensile strength(mix.) longitudinal