Inductor Paper (500kV)

Editor:【HAOJINGHUI INDUSTRIAL】 Time:【2014.09.09】 Views:【706】

1.      DESCRIPTION

The paper is made from 100% high purity sulfate insulating wood pulp, unbleached, uncoated and no any adhesive or filling material. The thickness and texture are uniform.  Pinhole, undispersed fiber agglomerates and local defects are allowed by security requirements of inductor manufacture. 

 

 

2. FEATURES

Excellent electrical insulating performance

Good chemical and physical properties

 

 

3. APPLICATIONS

Used for manufacturing of 500kV inductor

 

 

4. TECHNICAL PARAMETER 

ITEM

UNIT

STANDARD VALUE

Thickness

 

μm

125±8.0

200±12.0

Apparent density

g/cm3

0.75±0.05

Tensile index

MD

N·m/g

≥88

TD

≥38

Elongation

MD

%

≥2.0

≥2.0

TD

≥5.0

≥5.0

Conductivity of water extract

mS/m

≦2.5

Dielectric strength

kV/mm

≥6.5

Tear strength  (TD)

mN

≥981

≥1177

Air permeability

μm/(Pa.s)

≦0.68

Ash content

%

≦0.3

PH of water extract

 

6.57.2

Dielectric dissipation

 factor( tan δ) 100

%

≦0.23

Water content

%

5.08.0


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