化学配方数据库
配方类型: METALS AND THEIR TREATMENT
配方说明: Foundry Core Wash (U.S. Patent 2,786,771)
配方组成: Water/To make 100
Flake Graphite/46.5-65.0
Calcium Oxide/21-30
Soda Ash/1-5
Magnesium Oxide/2.6-4.0

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