Insulation pressboard is 100% superior sulfate insulation wood pulp.
Standard: IEC60641-3-1: 1992
Aprrarent Density: 1.0-1.3G
Material: Unbleached sulphate pulp thickness: 0.8-8mm
Size: 1mx2m 2mx4m
Feature: Good mechanical sthength, high electric strength resistance, larger tightness, smaller shrinkage, excellent flatness are the main strong strengths of this product.
It be mainly used in the clapboards of transformers