绝缘pressboard

1.product name:insulation pressboard 2.product description: The product is produced by 100% sulphate pulp refined proceesed.product has a high chemical purity,good elongation,electrical performace,high mechanical strength properties ,widely used in power transformers and reactors,capacitors,swithes,and other manufacturing. 3.application: it shouled be noted storage environment,storage in need of rain,moisture,fire,dust,sunlight exposure is strictly prohibited,to avoid prolonged exposed to the air.against direct contact with the ground,should be placed in a flat,dry on a wooden bracket,such as the use could not finish,after opening the granary,and the rest should be re-sealed to ensure that use of the product performance.colored insulating paperproducts should not be used for oil-immersed transformers and oil-immersed insulation components. 4.technical datas: Index.UnitValues≤1.6>1.6 3.0>3.01Nominal thickness tolerance%≤10(±)2Nominal Grammageg/cm31.00 1.201.00 1.251.15 1.303Shear strength,M.D.Mpa≥100≥105≥1104Shear strength,C.M.D.Mpa≥75≥80≥855Elongation (M.D.)%≥3.06Elongation (C.M.D.)%≥4.07Shrinkage%≤10.0≤7.5≤5.08Shrinkage which would resume%≥45≥50≥5011Shrinkage:M.D.%≤0.5C.M.D.≤0.7Thickness direction≤4.012Moisture content%≤6.013Ash content%≤1.014Electrical conductivity of aquesous extractms/m≤1.6>1.6 3.0>3.015Aquesous extract (PH)—6 916Oil absorption%≥11.0≥9.0≥7.017Voltage resistant strength(In air)MV/m≥12≥11≥1018Voltage resistant strength(In oil)MV/m≥40≥35≥30