Science, asked by snehasabu3002, 2 months ago

clay content of green sand

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Answered by nadimpallitanmayi

Answer:

Green sand consists of high-quality silica sand, about 10 percent bentonite clay (as the binder), 2 to 5 percent water and about 5 percent sea coal (a carbonaceous mold additive to improve casting finish). The type of metal being cast determines which additives and what gradation of sand is used.

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