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topic 870

Rust resistant finish for wire mesh?


Q. I am looking for a durable rust resistant finish for a 40" x 48" x 33" wire mesh container. Powder coating has not performed well. Parts in the basket can weigh 50#. They are brake and strut parts that can't have paint chips.

Randy V [last name deleted for privacy by Editor]
- Willoughby, Ohio, USA


A. Saying that powder hasn't worked may not be telling the whole story. Pretreatment can be critical to proper adhesion, but choice of powder can also be paramount.

At a boat show a few years ago, one of the powder manufacturers had a flying bridge coated with their polyester powder (I think it was Tiger Drylac). They provided you with a steel pipe with which to beat the coated flying bridge. As you can imagine, it was a popular booth, just for getting the aggression out. Amazingly, none of the powder had chipped off. Where the tubing of the bridge was deformed, the coating was still intact and adhering nicely.

Not to say powder is the answer, just to say that "not powder" may not be the answer either.

Michel Moninger
- Sarasota, Florida, USA


A. I agree with Mr. Moninger. We currently coat containers such as you have described. Properly cleaned and coated products and the using the correct powder are key. Perhaps your product was over cured also.

Scott Whitehurst
- Holland, Michigan, US.

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