Electrical Insulation Paperboard

• Application: Power, Electronic, Instrument
• Phase: Three
• Core: Core-type Transformer
• Cooling Method: Dry-type Transformer
• Winding Type: Separated Winding Transformer
• Certification: ISO9001-2000
• Model NO.: paperboard
• Usage: Combined Transformer, Power Transformer, Distribution Transformer, Insulating Paper
• Frequency Characteristics: Power Frequency
• Shape of Core: OD
• Brand: Jiangsuhuili
• Purpose: Oil Immersed Transformer,Reactor,Mutual Inductor
• Transport Package: Standard Wooden Pallet
• Specification: ISO9001
• Trademark: JIANGSUHUILI
• Origin: Jiangsu Haian
• HS Code: 4811591000
• Production Capacity: 10, 000, 000kgs/Year

Product Description

products details: 

Electrical insulating paperboard is made of imported 100% high purity kraft pulp. Features: high compactness, uniform thickness, smooth surface, high mechanical strength, strong toughness and electrical insulation. It's mainly used for electric motors, transformers, mutual inductors, capacitors and other electrical equipment.

Storage:
Store in a dry and clean room,and keep away from the fire and sunshine.No direct contact with the ground ,and shall be placed on the flat, dry wooden pallet.

Property		Unit	Min/Max/Range	Requirements
Tolerance of thickness	≤1.6mm	%	Max	±7.5
	>1.6mm			±5.0
Density	≤1.6mm	g/cm3	Range	1.0~1.3
	>1.6mm
Shrinkage	MD	%	Max	0.5
	CD			0.7
	Thickness			5.0
Elongation	MD	%	Min	3.0
	CD			4.0
Tensile strength	MD	Mpa	Min	100
	CD			75
Moisture content		%	MAx	6.0
Ash content		%	Min	1.0
PH of aqueous extract			Range	6.0-9.0
Oil absorption		%	Min	9.0
Conductivity of aqueous extract		Ms/m	Max	6.0
Electrical strength	In air	KV/mm	Min	11
	In oil		Min	35