High Density Paper Board Semiconductor Pressboard for Transformer Insulation

High Density Paper Board Semiconductor Pressboard for Transformer Insulation image

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Basic Info.

Model NO.

Insualtion material

Brand

NJREC or OEM

Size

customized

Delivery

30days

Tensile Strength

110MPa

Rated Voltage

50KV

Transport Package

Carton/Wooden Pallet

Specification

1~5MM

Origin

China

HS Code

85462090

Production Capacity

10000/Year

Product Description

Index.		Unit	Values
	electrical presspahn Cardboard transformer insulation pressboard			≤1.6	>1.6~3.0	>3.0
1	Nominal thickness tolerance		%	≤10(±)
2	Nominal Grammage		g/cm3	1.00~1.20	1.00~1.25	1.15~1.30
3	Shear strength,M.D.		Mpa	≥100	≥105	≥110
4	Shear strength,C.M.D.		Mpa	≥75	≥80	≥85
5	Elongation (M.D.)		%	≥3.0
6	Elongation (C.M.D.)		%	≥4.0
7	Shrinkage		%	≤10.0	≤7.5	≤5.0
8	Shrinkage which would resume		%	≥45	≥50	≥50
11	Shrinkage:	M.D.	%	≤0.5
		C.M.D.		≤0.7
		Thickness direction		≤4.0
12	Moisture content		%	≤6.0
13	Ash content		%	≤1.0
14	Electrical conductivity of aquesous extract		ms/m	≤1.6	>1.6~3.0	>3.0
15	Aquesous extract (PH)		–	6~9
16	Oil absorption		%	≥11.0	≥9.0	≥7.0
17	Voltage resistant strength(In air)		MV/m	≥12	≥11	≥10
18	Voltage resistant strength(In oil)		MV/m	≥40	≥35	≥30

Electrical Paper Board

750kV and below transformer insulating board is made of 100% imported high purity insulating wood pulp as raw material,
refined by advanced technology and equipment.It has been tested by high sensitivity online metal particle detector,
featuring high chemicalpurity,high mechanical strength and good insulation performance.

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We are China High Density Paper Board Semiconductor Pressboard for Transformer Insulation manufacture and supplier,You can get more details with Email,you will get cheap price or factory price.

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