Henan YAAN Electrical Insulation Material Plant Co., Ltd.
Henan YAAN Electrical Insulation Material Plant Co., Ltd.
transformer insulation electrical insulation presspaper pressboard
  • transformer insulation electrical insulation presspaper pressboard
transformer insulation electrical insulation presspaper pressboard

transformer insulation electrical insulation presspaper pressboard

Delivery Time:
5 Days
Quantity:

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Basic Info
Basic Info
Place of Origin: Henan, China (Mainland)
Product Description
Product Description
electrical insulation presspaper pressboard is made from 100% superior sulfate insulating wood pulp   The electrical insulation presspaper pressboard has good dielectric and high mechanical properties   Pressboard is widely used for transformers, high pressure electric apparatus, current transformers, switches, etc.     Technical Data of electrical insulation presspaper pressboard :  

Properties

Units

Values

≤1.6mm

>1.6-3.0mm

>3.0-6.0mm

Thickness Tolerance

%

≤ ±7.5

≤ ±5.0

Density

g/cm3

1.0-1.2

 

Tensile Strength

MD

 

Mpa

≥80

≥80

≥80

TD

≥55

≥55

≥50

 

Elongation

MD

 

%

≥6.0

TD

≥8.0

 

Shrinkage

MD

 

 

%

<0.7

TD

<1.0

Thickness

<5.0

Moisture Content

%

≤8.0

Ash Content

%

≤1.0

Electric Conductivity

Ms/m

≤8.0

PH of Water Extractives

 

6.0-9.0

Electric breakdown Strength in oil

KV/mm

≥40

≥30

≥25

               
   

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