Diamond Dotted Press Paper

It is suitable for turn-to-turn insulation of coil wires on oil-immersed power transformer and suitable for layer insualtion of coils on distribution transformers.

Product Details

Diamond dotted Insulation Paper is made of electrical grade Insulating paper coated with B-stage heat curable epoxy resin on either or both sides. The base paper is made from unbleached 100% Sulfate kraft pulp. The epoxy resin is applied on base paper in diamond pattern, which is consisted of 9.5mm x 9.5mm diamonds with 15.9mm center spacing. It is used in Oil-immersed Transformers for insulation between coils. At high temperature, the dotted epoxy resin melts and paste on neighboring coils to make the electrical conductor as a hard unit.



  • 0.08mm, 0.13mm, 0.18mm, 0.25mm, 0.50mm


  • Can be customized

  • Note: Reels can also be supplied in slitted form duly slitted as per desired width of the customer. Specific thickness can also be supplied as per requirement of the customer.

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

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