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.
申请公布号
WO9630559(A1)
申请公布日期
1996.10.03
申请号
WO1996EP01196
申请日期
1996.03.20
申请人
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN;WICHELHAUS, WINFRIED;ENDRES, HELMUT;GOTTWALD, KARL-HEINZ;SPECKMANN, HORST-DIETER;BROUWER, JAN-WILLEM