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Manufacturing raw material of of resin ated sand

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Manufacturing raw material of of resin ated sand

The application belongs to mold machining technology field, and specially a kind of resin die and preparation method thereof includes the raw material of following portions by weight, 15 20 parts of phenolic resin, 25 30 parts of Corvic, polyamide, 20 25 parts of gypsum, 20 25 parts of cement, 10 15 parts of flyash, 5 15 parts of sand, 15 parts of dispersant, 13 parts of thickener, 0.5 1.5

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