Paper Covered Wires

winding wire made by copper or aluminum rod wrapped with special insulation materials used in windings of transformer

Product typesPaper covered rectangular copper(aluminum)conductorPaper covered rectangular hardened copper conductorSpecial insulation materials covered rectangular copper(aluminum)conductorMultiple hardened copper conductorsPolyvinyl acetal enameled over coated bondable epoxy resin multiple conductorsSpecial insulation materials covered copper(aluminum)multiple conductors.

Manufacturing scopePaper covered rectangular copperaluminum conductor:Thickness a:1.00mm-10.mmWidth b:3.00mm-25.00mmPaper covered round copperaluminum conductor:3.00mm≤conductor diameter d≤6.00mm Multiple copperaluminum conductor:Thickness a:1.00mm-4.00mmWidth b:5.00mm-20.00mmRectangular hardened copper conductor:Thickness a:1.00mm-2.50mmWidth b:5.00mm-15.00mmPolyvinyl acetal enameled over coated bondable epoxy resin conductor:Thickness a:1.0mm-2.50mmWidth b:5.00mm-15.00mmIf required size out of above scope or select other different types, please contact with us.

MaterialsSoft copper used for paper covered or multiple rectangular wire shall conform to GB5584.2-85,the resistivity is not more than 0.01724Ω·mm2/m at 20°.According to different mechanical strength, below proof stress Rp0.2 is recommended:C1 Rp0.2(>100~180)N/ mm2C2 Rp0.2(>180~220)N/ mm2C3 Rp0.2(>220~260)N/ mm2Rectangular aluminum used for paper covered wire pr multiple conductors shall conform to GB5584.3-85,the resistivity is not more than 0.0280Ω·mm2/m at 20°.

Wrapped insulation materialsKraft paperHigh-density insulation paperThermally up-graded paperNxmex-410

Paper Covered Wires