配方类型:

METALS AND THEIR TREATMENT

配方说明:

Corrosion Resistant Coating for Aluminum (U.S. Patent 2,843,513)

配方组成:

Boric Acid/38.5
Chromium Oxide/23.8
Sodium silicofluoride/38.8

配制方法:

Dissolve 10 to 80 g. of above in 1 liter of water. This coating absorbs various dyes.