Type:B.3.1 Standard:GB/T19264.3-2003/IEC60641-3-1:1992 Apparent Density:1.0-1.25g/cm3 Thickness:0.8-4.0mm

 Insulative transformer board 

Type:B.3.1

Standard:GB/T19264.3-2003/IEC60641-3-1:1992

Apparent Density:1.0-1.25g/cm3

Thickness:0.8-4.0mm

Moisture content:6%

Surface:Wire marks

Raw material:Unbleached sulphate pulp

Dimension Standard2000*1000mm,1000*1000mm,1400*2500mm,2100*4200mm,3200*4200mm

Special:Material free of strains,very flat,highest machanical and electrical strength.

Good mechanical strength, high electric strength resistance ,  larger tightness, smaller shrinkage, excellent flatness are the main strong Strengths of this product.

Insulation paperboard