| 发明名称 |
PHOSPHATING PROCESS WITH A METALLIFEROUS RE-RINSING STAGE. |
| 摘要 |
The invention concerns a process for phosphating metal surfaces, wherein phosphating is carried out using a zinc-containing phosphating solution which is nitrite and nickel-free. Rinsing is then optionally carried out, followed by re-rinsing with an aqueous solution having a pH of between 3 and 7 and containing between 0.001 and 10 g/l of one or more of the cations of Li, Cu and Ag.
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| 申请公布号 |
MX9707328(A) |
申请公布日期 |
1998.07.31 |
| 申请号 |
MX19970007328 |
申请日期 |
1997.09.25 |
| 申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF ATIEN |
发明人 |
WINFRIED WICHELHAUS;HELMUT ENDRES;KARL-HEINZ GOTTWALD;HORST-DIETER SPECKMANN;JAN-WILLEM BROUWER |
| 分类号 |
C23C22/12;C23C22/83;(IPC1-7):C23C22/83 |
主分类号 |
C23C22/12 |
| 代理机构 |
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