| 摘要 |
The invention is related to chemical treatment applied to products made of aluminum or aluminum alloys, that have been first submitted to anodic oxidation and pore sealing according to known prior technics, the invention comprising two additional steps: - a treatment with an alkali-silicate solution; - a treatment with silanes solutions. The products according to the invention are showing improved resistance to corrosion tests to acid and alkalis. |
