| 配方类型： |
METALS AND THEIR TREATMENT |
| 配方说明： |
Preventing Nitriding of Steel |
| 配制方法： |
Cleaned steel is immersed in a solution of sodium silicate, drained, and dried for at least 2 hours at 90 to 100'C. Coated areas are protected from nitriding and may be dissolved away by hot water. |
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