化学配方数据库
配方类型: METALS AND THEIR TREATMENT
配方说明: Foundry-Core Binder (U.S. Patent 2,718,681)
配方组成: Urea-Formaldehyde Resin (45% Water Solution)/150.0
"Nervan" C.S./0.2
Kerosene/30.0
Water/150.0
"Belloid" F.R./4.0

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