配方类型:

METALS AND THEIR TREATMENT

配方说明:

Foundry Molding Mix (U.S.S.R. 106,866)

配方组成:

Quartz Sand/To make 100
Graphite or Alum/1-2
Bitumen or Peat Wax/1.5-4.5
Water/0.5
Bentonite/2-5

配制方法: