配方类型:

METALS AND THEIR TREATMENT

配方说明:

Foundry Mold Coating (U.S Patent 2,755,192)

配方组成:

Water/To suit
Bentonite/3 lb. 6 oz.
Cork Dust/8 lb. 2 oz.
sodium Silicate (40' Be'.)/3.5 qt.
Casein Glue/1 lb. 14 oz.

配制方法: