中国化工网首页 >> 化工助手 >> 化学配方数据库
配方类型: |
METAL TREATMENTS |
配方说明: |
Phosphate Coatings |
配方组成: |
Cathode at 6 volts, 160'F Room temperature. 12 oz/gal EDTA (sodium ethylenediamine tetraacetate) may be added. Formula No.2 (Manganese-Type) Immerse in 5-20% chromic acid solution at 165'F. Formula No.3 (Manganese-Type Sodium Cyanide/12 oz/gal Caustic Soda/24 oz/gal Caustic Soda/24 oz/gal Sodium Cyanide/12 oz/gal Sodium Ethylenediamine Tetraacetate/12 oz/gal |
|