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| 配方类型： |
METALS AND THEIR TREATMENT |
| 配方说明： |
Anticorrosive Dip for Zinc Alloy Castings (Japanese Patent 259
(1956)) |
| 配方组成： |
Water/1000
Hydrochloric Acid/3
Chromic Acid/100
Hydrofluoric Acid/0.5
Sulfuric Acid/5 |
| 配制方法： |
Immerse for 20 seconds at 60'C. in this solution |
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