化学配方数据库
配方类型: METALS AND THEIR TREATMENT
配方说明: Casting Shell Mold (U.S. Patent 2,881,082)
配方组成: Talc/5.0
Split Hard Stearine Pitch/10.0
Grind to powder and mix with Quartz Sand (Dried & Cooled)/100.0
Sulfur/2.5

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