Color : Red and Natural 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 Color: Brown Feature: Good mechanical stength, 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
