化学配方数据库
配方类型: METALS AND THEIR TREATMENT
配方说明: Foundry Sand Core Coating (U.S. Patent 2,809,117)
配方组成: Water/To make 30-35 Be. suspension
Calcium Oxide/35.5-36.5
Magnesium Chloride/9
Graphite/107-109
Magnesium Oxide/6-6.25

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