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Q&As since 1989


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Dip painting

We are having our thesis as a requirement for us graduating students. I would like to ask for your assistance regarding dip painting of metals. Do you have any idea on any employing the process. We would like to request for a flowchart for the process if there is any.

Thank you very much.

Tracy Rodriguez
- Bacolod City, Philippines
2002

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Whether you paint with a brush or by spraying or by dipping, it's a single step. But I think what you may be alluding to is that when metals are painted industrially, as opposed to being painted by an amateur, you start out with bare metal which is not a good surface to paint onto. So steel parts are often iron phosphatized or zinc phosphatized, and aluminum parts chromate conversion coated, before painting.Another thing you may be alluding to is electrophoretic painting, which is a process wherein the article to be coated is electrified so as to cause electrically driven reactions which convert the soluble materials in the dip tank into an electrically resistive coating.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2002