This process has no deoxidizing properties and is suitable for low greasy parts. Excessive grease will cause the coating bath to contaminate very quickly.
Many metal surfaces such as iron, steel, aluminum, galvanize, brass.
Baths can be controlled by pH paper or by titration.
There will be oil build-up in the bath due to the degreasing feature of the system. If this oil can be removed from the bath by an appropriate process, the residual solution will not require refinement as it is biodegradable and does not contain heavy metals.
No, it does not.