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Electrical Insulation Paperboard

Electrical insulation board is made of imported 100% high purity kraft wood pulp. Product features: high tightness, uniform thickness, smooth surface, high mechanical strength, strong toughness and electrical insulation properties. Mainly used for motor, transformer, transformer, capacitor and other electrical equipment. Storage: It should be stored in a dry and clean room, not close to fire or sunlight, prohibit direct contact between insulating cardboard and the ground, and should be placed on a flat and dry wooden bracket. Performance unit minimum/large/range required thickness tolerance ≤ 1.6mm% maximum ± 7.5>1.6mm ± 5.0 density ≤ 1.6m

Key words:

Oil-Immersed Transformer Insulating Materials | Mutual Inductor Insulation Materials

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Product Consulting:

86-13901476700

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Product Description

Electrical insulation paperboard is made of imported 100% high purity kraft pulp. Features: high density, uniform thickness, smooth surface, high mechanical strength, strong toughness, and excellent electrical insulation properties. It is mainly used for electric motors, transformers, mutual inductors, capacitors, and other electrical equipment.
Storage:
It should be stored in a dry and clean room, away from fire sources and direct sunlight. It is forbidden to directly contact the insulating paperboard with the ground. It should be placed on a flat and dry wooden bracket.

Performance		Unit	Minimum/Large/Range	Requirements
Thickness tolerance	≤ 1.6mm	%	Max.	±7.5
	＞1.6mm			±5.0
Density	≤ 1.6mm	g/cm3	Scope	1.0~1.3
	＞1.6mm
Shrinkage	Vertical	%	Max.	0.5
	Transverse			0.7
	Thickness			5.0
Elongation	Vertical	%	Minimum	3.0
	Transverse			4.0
Tensile strength	Vertical	Mpa	Minimum	100
	Transverse			75
Moisture		%	Max.	6.0
Ash		%	Minimum	1.0
PH value of water extract			Scope	6.0-9.0
oil absorption		%	Minimum	9.0
water extraction liquid conductivity		Ms/m	Max.	6.0
Electrical strength	in the air	KV/mm	Minimum	11
	In oil		Minimum	35

Zhongling insulation material