配方类型:

METALS AND THEIR TREATMENT

配方说明:

Insulation for Magnets (U.S. Patent 2,501,349)

配方组成:

85% Phosphoric Acid/40
Distilled Water/50
29% Hydrosilicofluoric Acid/50

配制方法:

The magnetic body is coated with this solution and heat treated at 400 to 1200'F. This coating is hard, adherent, and of high ohmic resistance.