| 摘要 |
A trivalent chromium/aluminum passivation treatment process comprising the following steps: using an acidic degreaser to remove grease and oxide scale from the surface of an aluminum material, rinsing with water, desmutting, rinsing with water, then using a trivalent chromium/aluminum passivation agent to treat said surface, then rinsing with water, drying, and forming a passivation film on said surface. An aluminum material or aluminum alloy product obtained from the treatment process is also disclosed. |
