PRE COMPRESSED PRESS BOARD

  • Made of intermittent board machine using highly pure unbleached softwood sulphate pulp

  • Wet board pressed and dried simultaneously to obtain a board of good dimensional stability, electrical & mechanical strength

  • Widely used as insulating material in Power & Distribution Transformers, Capacitors in form of Winding Cylinders, Spacers, Key Way, Strips etc

  • Ideal for manufacture of machined components such as redial and axial Spacers

  • Available in thickness of 0.80 mm to 4 mm

Typical Properties of the PCB
Specified Properties Units Typical Values
Thickness Tolerance % + / - 5
Density g / cm^3 1.10 - 1.25
Tensile strength
Machine Direction >=
Cross Direction >=
N / mm^2 90
50
Elongation
Machine Direction >=
Cross Direction >=
% 3.5
4.0
Shrinkage
Machine Direction <=
Cross Direction <=
Thickness Direction <=
% 1.0
1.4
6.0
Moisture content % 5 - 9
Oil Absorbency >= % 9
Electric Strength (In Oil)
0.8 – 1.0 mm <=
1.5 – 2.0 mm <=
3.0 – 4.0 mm <=
KV/mm 35
30
24






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