Oil Transformer Insulation Boards

HECHIN offers a broad variety of transformer boards. The cellulose based pressboard is available in various densities and thicknesses - ranging from 1.0mm - 60mm, all meeting international standards. Transformer board ensures long-term dimensional stability.

Product Details

HECHIN offers a broad variety of transformer boards. The cellulose based pressboard is available in various densities and thicknesses - ranging from 1.0mm - 60mm, all meeting international standards. Transformer board ensures long-term dimensional stability.

pressboard insulation wood high quality


ItemUnitStandard
Thicknessmm6mm-150mm
Densityg/cm³1.2-1.3
Shrinkage(Thickness direction)%≤4.0
Ash content%≤0.8
Oil absorption rate%≥9
Electric conductivity water extractMs/m≤8.0
Voltage resistant strength (In oil)Kv/mm≥6
Moisture content%≤4.0
Bending StrengthN/mm²≥100(VD)≥80(LSD)
Compression Strength
≥120(VD)≥50(LSD)






Welcome to contact Haotai, which is one of best oil transformer insulation boards manufacturers and suppliers in China, you can also get oil transformer insulation boards free sample from our factory.

Send Inquiry