Presspaper – Thin Electrical Grade Insulation Paper

Electrical grade insulating kraft paper (Coil insulating kraft paper) is manufactured from 100% high-quality sulfate insulating wood pulp.

Presspaper – Thin Electrical Grade Insulation Paper

Description:

Presspaper is made from 100% superior sulfate insulating wood pulp.

Features:

Good dielectric and high mechanical properties.

Applications:

Presspaper is widely used for transformers, electric motors, electric apparatus, meters, switches, etc.

It also can be used to laminate with polyester film to produce insulation flexible laminates.

Properties				Units	Values
Thickness				mm	0.1-0.5
Thickness Tolerance				%	≤ ±10
Density				g/cm³	1.0-1.2
Tensile Strength	MD		No Bending	Mpa	≥80
			After Bending		≥35
	TD		No Bending		≥40
			After Bending		≥60
Moisture Content				%	≤8.0
Ash Content				%	≥1.0
Electric Conductivity				Ms/m	≤8.0
PH of Water Extractives					6.0-9.0
Electric Breakdown Strength(in air)		0.10mm		KV/mm	≥9.0
		0.15-0.25mm			≥10
		0.30-0.35mm			≥10
		0.40-0.50mm			≥9.0
Electric Breakdown Strength(in air), after bending		0.10-0.15mm		KV/mm	≥7.0
		0.20-0.25mm			≥8.0
		0.30mm			≥8.0
		0.35-0.50mm			≥7.0