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What is epoxy phenolic resin plate and its technical requirements?

Epoxy phenolic resin board is a kind of hard plate insulation material made of impregnated paper, cotton cloth, glass cloth, phenolic resin and epoxy resin by baking and hot pressing. Epoxy phenolic resin board has high mechanical strength, dielectric properties, oil resistance and corrosion resistance, suitable for electrical machinery and electrical equipment with higher requirements as insulation components, and can be used in humid environment and transformers, heat resistance grade B.

phenolic resin sheer

Technical requirements for epoxy phenolic resin plate:

1. The appearance and surface of epoxy phenolic resin sheet should be smooth and smooth, no impurities and other obvious defects are allowed, slight scratches are allowed, edges should be cut neatly, no delamination and cracks on the end face.

2. Size of epoxy phenolic resin board: The area must not be less than 380 *480 square millimeter. If special specifications are required, the board can be manufactured by agreement with both suppliers and consumers. Other data are detailed in the Ministry of electrical and mechanical standards. Epoxy phenolic resin board can be used to process various specifications of board, pipe, cushion, flange, tile, special-shaped parts.

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