化学配方数据库
| 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 1200F. This coating is hard, adherent, and of high ohmic resistance. |
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