brown insulation pressboard

Pressboard

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:2000*1000mm,1000*1000mm,1400*2500mm,2100*4200mm,3200*4200mm

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

Application: Our insulative transformer board is widely used as insulating materialsin transformers, reactors, transformers.

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