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Is it possible to use electrophoresis as a replacement for black zinc plate?

Q. Please help me !. I am a SQE in Briggs & Stratton. I am working for supplier quality area.
The supplier has not the equipment to do black zinc plate, so they want to know whether it is possible to replace black zinc plate with electrophoresis.

Aaron An
- Shanghai, China
2007

A. Ji Aaron. No, one simply cannot replace a sacrificial protection system like black zinc with a barrier layer protection system, no matter how loosely we wish interpret a spec because the zinc plating will protect the substrate in spite of a scratch and the electrophoretic paint will not. That is not the same thing as saying than an electropainted finish will be unsatisfactory for the particular application though.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.
2007

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