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China′ S Oil Duct Strut for Transformer Insulation Strips

China′ S Oil Duct Strut for Transformer Insulation Strips

Product Description Product DescriptionPaper Board Oil duct/grid is made by bonding transformer board sticks onto insulating paper or single-coated diamond dotted paper. It provides duct for the flow of the cooling oil in layers and strip winding in p…
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Product Description

 

Product Description

Paper Board Oil duct/grid is made by bonding transformer board sticks onto insulating paper or single-coated diamond dotted paper. 
It provides duct for the flow of the cooling oil in layers and strip winding in power transformers.
The Diamond Dotted Paper, alias such as: Epoxy adhesive diamond paper, Diamond Dotted Presspaper, Double sided Diamond Pattern Paper, DDPP, DPRCP, D. D. P, DPP, Diamond Dotted insulating Paper, Varnished Paper, etc.
China′ S Oil Duct Strut for Transformer Insulation Strips

 

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China′ S Oil Duct Strut for Transformer Insulation Strips
China′ S Oil Duct Strut for Transformer Insulation Strips
China′ S Oil Duct Strut for Transformer Insulation Strips

 

Product Parameters

No

Item

Unit

Value

1

Thickness

mm

0.08

0.13

0.20

0.250.30

0.17


Density

gr/cm3

>0.85


Thickness Tolerance

%

6.5

4

Tensile Strength

KN/M

7.5

3.7


Tear Strength

m.N

500    1000    1500    2000

Dielectric Breakdown

Kv

0.6     0.9    1.2    2.2    2.75     3.3


Aqueous Extract


6.8~8.5


Bond Strength

Kpa

450

Ash Content

% 

1.0


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