Epoxy Diamond Dotted Insulation Paper (DDP paper) /Insulation Paper/Heat Insulation Material, for Transformer Winding

China Epoxy Diamond Dotted Insulation Paper (DDP paper) /Insulation Paper/Heat Insulation Material, for Transformer Winding, Find details about China Insulation Material, Motor Accessories from Epoxy Diamond Dotted Insulation Paper (DDP paper) /Insulation Paper/Heat Insulation Material, for Transformer Winding

Color
Brown
Brand
Kangliyuan
Trademark
Kangliyaun
Transport Package
Wooden Pallent
Specification
0.08, 0.13 0.18 0.25mm
Origin
China
Color
Brown
Brand
Kangliyuan
Trademark
Kangliyaun
Transport Package
Wooden Pallent
Specification
0.08, 0.13 0.18 0.25mm
Origin
China
Diamond Dotted Insulation Paper( DDP) is made of electrical insulation paper with Diamond-shape epoxy resin dotted in both sides. The epoxy resin used in DDP contains a kind of incubative hardener material, it is a dry ad crisp material at normal temperature(below 35degree)

This product has good dielectric properties and good machenical properties after being heat-solidification. It can be used as coils and between layers of oil immerged power and distribution transformers.

Thickness; 0.08mm 0.13 0.15 0.17 0.20 0.25 0.38mm
Made of kraft 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

Epoxy Diamond Dotted Insulation Paper (DDP paper) /Insulation Paper/Heat Insulation Material, for Transformer Winding





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.

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...

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 dotted 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 70psl at 100 degree C (The value at least is equal to 0.275Mpa, America standard)
Typical properties of Diamond Dotted Paper 
Specified PropertiesUnitsStandard 
Thickness Toleranceinch0.0030.0500.0700.0100.0150.020 
Mm0.0760.1300.1800.2500.3800.500 
Thickness tolerance(base paper)%±10 
Width tolerancemm± 5 
Apparent Densityg/mm^30.95 - 1.15 
Tensile strength Min  Machine directionN/mm2707080808080 
corss machine direction353535353535 
Elongation MD%2 
CD4 
Dielectric breakdown (volts/layer, dry test)volts75011001400210029003100 
 
No pollution oil of transformer%Non pollution 
Moisture Content%4.0-8.0,all thickness 
PH water extract%6.0-8.0, all thickness 
Ash Content Max%1% maximum 
Bond Strength MinkPa450 
Coating thickness per sidemm0.006 to 0.012 
All date shown represents nominal o typical vlues only and should not be construed or maximun unless specifically stated
 
 
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