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

配制方法: