Diamond Dotted Kraft Paper

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Diamond dotted kraft paper

DDP (2)


Diamond dotted press paper is a kind of material with inertia, dry and no conglutination at normal temperature (below 30 degree C). The diamond dotted kraft 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. 



·     Insulation class A (105 °C) according to according to IEC 641

·     Kraft paper, 100% sulphate pulp

·     High purity and mechanical strength

·     Color natural, golden, red

·     Baked enamel coating: Epoxy resin , rhombic, one or both sides

·    Good compatibility with liquid dielectic after the baked enamel coating has hardened.

·    Care should be taken that the that the layers to be baked remain closely pressed against each other during baking time

 diamond dotted paper


Diamond dotted paper 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 melted resin would cure to C-stage, and firmly adhere each adjoining layer of the coil.



Thickness: 0.08mm--0.50mm

Both in roll and sheet are available

Width: 4mm – 1900mm

Regular width: 500mm, 1000mm, 1220mm (special width need to customzied, the lead time about 30-45 days)

Welcome to contact Haotai, which is one of best diamond dotted kraft paper manufacturers and suppliers in China, you can also get diamond dotted kraft paper free sample from our factory.