B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/117, 148/16,
B05D 1/18 (2006.01) B05D 3/10 (2006.01) B05D 7/14 (2006.01) C09D 5/08 (2006.01)
Patent
CA 2005865
An autodeposition bath for coating steel and similar metals is operated initially with a low content of dissolved iron and at a high oxidizing potential. After the iron content has increased beyond a specific level, such as 1.5 g/l, the oxidizing potential is reduced. This permits continued satisfactory operation of the bath with lower rates of iron accumulation in the bath, so that the need for bath stabilization by removing dissolved iron is deferred.
Fetherstonhaugh & Co.
Henkel Corporation
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