配方类型:

METALS AND THEIR TREATMENT

配方说明:

Jewelers' Casting Sand Binder

配方组成:

Liquid Wetting Agent/0.25 oz.
Glycerin/3 oz.
Molasses/To make 1 gal.
Saturated Solution of Boric Acid (At Room Temperature)/0.5 gal.

配制方法: