Transformer used DDP insulation paper

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Product Overview

Description


 

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Technical parameter

 

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Specified PropertiesUnitsStandard
Thickness ToleranceMm0.075, 0.08, 0.13, 0.18, 0.20,0.25, 0.30, 0.35
Densityg/mm^30.95 – 1.15
Tensile strength MinN/mm^2MD 70 – 90
CMD 40 - 50
Elongation Min%MD 2.0 – 3.0
CMD 7.0 – 9.0
Breakdown volume MinKV/mmIn air 11-12
In oil 45-50
Oil Absorption Min%8
Moisture Content%4.0-8.0
Resin’s Content Min%7 , 6 , 5 , 4 , 3.5
Ash Content Max%1
Adhesion Strength MinkPa450
dp 1000

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Details&features

 

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Product description of diamond dotted paper

Diamond dotted insulation paper is made of electrical insulating paper coated with heat curable epoxy resin, the epoxy adhesive is applied to both sides of the paper in a diamond pattern consisting of 9.5mm x 9.5mm diamonds with 15.9mm center spacing It is a kind of material with inertia, dry and no conglutination at normal temperature (below 30 degree C).

The Diamond Dotted Paper will make the electric conductor forever felt up as a hard unit under the high temperature by its internal latency substance. when the temperature is rising up to 90 degree C. The Diamond Paper begins one-off thaw and then one-off solidification .When to keep the temperature at 90 degree C for 90 minutes, the epoxy resin would paste on neighboring cable and paper safely. The felt intensity is as high as to 70psi at 100 degree C (The value at least is equal to 0.275Mpa, America standard)

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Product Application of diamond dotted paper

 It is to be used in oil-immersed transformers for the insulation between of coils .On the insulation layer, there is a layer dotted epoxy resin that will be changed with high temperature change that is to be called as felt

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Production Flow

 

From raw materials to finished products, every process is tested and controlled professionally and seriously by our professional machines and person.

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Our Services

 

1.Response to your inquiries and questions within 24hours.

2.Existing samples provided on free,only charge the freight.

3.High quality products and competitive offer

4.On-time delivery date

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