| 发明名称 |
SURFACE TREATMENT OF PRODUCTS MADE OF ALUMINIUM AND ALUMINIUM ALLOYS |
| 摘要 |
The invention concerns treatment of products made of aluminium and aluminium alloys. Products are treated with a solution of sodium hydroxide, concentration from 8 % to 10 % and temperature from 40 DEG C to 55 DEG C, for 10 to 15 minutes. Subsequently, products are treated with nitric acid and finally passivated with sulfuric acid.
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| 申请公布号 |
WO9703227(A1) |
申请公布日期 |
1997.01.30 |
| 申请号 |
WO1996CZ00017 |
申请日期 |
1996.07.11 |
| 申请人 |
KALINIC PRAHA SPOL. S.R.O.;KALINIC, STEFAN |
发明人 |
KALINIC, STEFAN |
| 分类号 |
C23C22/56;C23C22/66;C23C22/73;C23F1/36;C23G1/12;(IPC1-7):C23C22/56 |
主分类号 |
C23C22/56 |
| 代理机构 |
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