化学配方数据库
配方类型: METALS AND THEIR TREATMENT
配方说明: Casting-Mold For Aluminum
配方组成: Sand/135
Plaster/25
Water/65
Sawdust/5
配制方法: This sets in 24 hours. Dry at 80 to 90C. for 2 hours and at 300C.
for 1 hour. Pour in the metal slowly at the lowest possible temperature.

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