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化學(xué)配方數(shù)據(jù)庫
配方類型： METALS AND THEIR TREATMENT
配方說明： Insulation for Magnets (U.S. Patent 2,501,349)
配方組成： 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 1200F. This coating is hard, adherent, and of high ohmic resistance.

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