化学配方数据库
| 配方类型： | METALS |
| 配方说明： | Black Oxide Coating for Aluminum (U.S. Patnet 2,681,873) |
| 配方组成： | Hydrochloric Acid/33.6 Sulfuric Acid/10.8 Sodium Alkylaryl Sulfonate/1.5 Water/280.0 Sodium Dichromate/27.1 Potassium Permanganate/27.1 |
| 配制方法： | Cleaned aluminum is dipped for 30 seconds to 3 minutes in this solution heated at 85 to 190F. |
| 返回数据库查询 |