Application:    transformer pressboard used in oil filled transformrs becomes an insulation

barrier which will improve the electrical characteristics of oil.

Standard:         IEC641-3-1:1992

Apparent density:  1.0-1.25g/cm3

Moisture content:   6﹪

Raw material:     unbleached sulphate pulp

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

Surface:          Wire marks

Thickness：      0.8-4.0mm

Standard size:     Standard size   2000 x 1000mm

                              1000 x 1000mm

                              2400 x 1200mm

                Special sizes and thicknesses as requested