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Electrical Grade Insulating Kraft Paper

Electrical Grade Insulating Kraft Paper

Electrical grade insulating kraft paper is manufactured from 100% high-quality sulfate insulating wood pulp.
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Product description
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Description

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

 

Features

· This paper is highly refined and cleaned to ensure uniform thickness and free from formation Pinholes, un-dispersed fiber bundles and tiny defects

· It is a low-voltage grade insulating paper well suited for making electromagnetic wires, power cables of transformers below 35kV and other electrical insulating equipments below 35kV

· This paper has stable electrical and chemical properties, and high physical strength to meet the exacting needs of our valued customers

 

Applications

Used widely as electrical insulation wrap on aluminium and copper wires by conductor manufacturers, electrical insulation between layers of wound coils in electrical motors, in capacitors, transformers & such other electrical equipment

 

Available

Our ordinary insulating papers are available in nominal thicknesses from 50 to 250 microns, and in continuous rolls up to the widths of 625, 960mm and 1200mm (the roll diameter being 680 to 730mm), or other customized diameters and widths on request.

 

Technical Data

Specified Properties

Units

Values Specified

2mil

2.5mil

3mil

4mil

5 mil

Thickness Tolerance

Micron

50+/-10%

64+/-10%

75+/-10%

100+/-10%

125+/-10%

Substance (Grammage)

g / m^2

40+/-10%

51+/-5%

61+/-5%

76+/-5%

100+/-5%

Apparent Density

g / m^3

0.8 +/- 0.05

Moisture Content

%

8 Max

Moisture content

%

5 - 9

Water Absorption MD
CD

Mm

10 Min.

Air Permeability

m/Pa.Sec

0.5 to 1.0

Tensile Index MD
CD

Nm/g

78 Min
28 Min

Elongation MD
CD

%

2.0 Min
4.0 Min

Tear Index MD
CD

mN m^2/g

5 Min
6 Min

Electric Strength in Air

KV/mm

7.0 Min

Ash Content

%

1.0 Max

Conductivity of 5% Aqueous Extract

Ms/m

10 Max

Ph of 5% Aqueous Extract

 

6 – 8

Heat Stability (150degC,24hrs)

%

20 Max

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