Insulation Transformer Precompressed Paperboard/Pressboard/Presspaper

• Application: Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Switch Baseplate
• Type: Solid
• Chemistry: Inorganic Insulation
• Material: Paper
• Thermal Rating: E 120
• Maximum Voltage: 20KV~100KV
• Model NO.: Paperboard/Pressboard/Presspaper
• Classification: Inorganic Insulation Material
• Certification: ISO9001
• Color: Brown
• Brand: Chr
• Thickness: 0.5-4mm
• Size: 1mx2m or 1mx1m
• Delivery Time: 15-20days
• Transport Package: Pallet
• Specification: 0.8-4mmx1mx2m
• Trademark: CHR
• Origin: China
• HS Code: 4811601000
• Production Capacity: 20mt/Week

Product Description

Aprrarent Density: 1.0-1.3g/cm3
Material: 100% Unbleached sulphate pulp thickness: 1-8mm
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 and other components
Transformer Press Paperboard
Product accord IEC60641-3-1:1992 quality standard

Technical Data

Properties		Unit	Min/max or range	Index
				≤1.6mm	>1.6mm-3.0mm	>3.0mm-6.0mm
Thickness Deviation		%	Max	±7.5	±5.0
Apparent density		g/cm3	Range	1.00-1.20	1.10-1.25	1.15-1.30
Tensile Strength	MD	Mpa	Min	100	105	110
	CMD			75	80	85
Shrinkage	MD	%	Max	0.5
	CMD			0.7
	Thickness			5.0
Moisture content		%	Max	6.0
Ash content		%	Max	1.0
Electrical strength in oil		kV/mm	Min	40	35	3.0
Conductivity of Aqueous extract		mS/m	Max	5.0	6.0	8.0
StandardSize		1100x2200 1000×2000mm 1000×1000mm

 
 
High Density Transformer Press Paperboard

Type	B3.1
Apparent Density	1.0-1.30g/cm3
Thickness	0.8-8.0mm
Moisture content	6%
Special	Free of strains,very flat,hightest mechanical and electrical strength,little shrinkage
standard size	2200x4400mm;  4200x2100mm;  3100x2100mm