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Diamond Dotted Paper Insulating Paper for Oil Transformer Electrical Insulation Materials

Diamond Dotted Paper Insulating Paper for Oil Transformer Electrical Insulation Materials

Product DescriptionProduct DescriptionDiamond Dotted Paper is made of electrical grade Insulating paper coated with B-stage heat curable epoxy resin on one side. It is used in Oil-immersed Transformers for insulation between coils.The Diamond Dotted …
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Product Description

Product Description
Diamond Dotted Paper Insulating Paper for Oil Transformer Electrical Insulation Materials
Diamond Dotted  Paper is made of electrical grade Insulating paper coated with B-stage heat curable epoxy resin on one side. It is used in Oil-immersed Transformers for insulation between coils.
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.

 

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Diamond Dotted Paper Insulating Paper for Oil Transformer Electrical Insulation Materials
Diamond Dotted Paper Insulating Paper for Oil Transformer Electrical Insulation Materials
Diamond Dotted Paper Insulating Paper for Oil Transformer Electrical Insulation Materials

 

Product Parameters

Diamond Dotted Paper Insulating Paper for Oil Transformer Electrical Insulation Materials
ItemUnitValue
Thickness of base materialmm0.08±0.0050.13±0.0070.18±0.010.20±0.010.25±0.01
Density of base materialg/cm3 0.85~1.10
Thickness one side adhesiveμm10~15
Moisture%4.0~8.0 
Oil absorption%≥20
Welding strengthRoom temperaturekpa≥650
100ºC±2ºC≥400
Pollution of transformer oil  --No pollution (tanδ<0.001)
Tensile StrengthPerpendicularN/10mm Width≥60≥110≥160≥180≥230
Parallel≥30≥50≥70≥80≥100
Tear StrengthPerpendicularmN≥450≥900≥1350≥1500≥2000
Parallel≥500≥1000≥1500≥1700≥2300
Breakdown VoltageIn airkv≥0.88≥1.37≥2.00≥2.10≥2.25
In oil≥4.40≥7.00≥9.00≥9.80≥11.50


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