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Ted Mooney, P.E. RET

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Powder Coating with Primers

2006

Q. Our product is a alternative power generator set which generally is used in outside applications. The cabinet is powder coated with a prime coat for additional corrosion resistance.
Question: Various coaters suggest using one (or none) the following primers:
1. E Coat
2. Rich zinc coating
3. Phosphate dip
4. Epoxy grey primer
We are not experts in powder coating -- which is best? Are they relatively equivalent? How about the cost factor?

Would appreciate your comments.

Jerry Kimball
genset manufacturer - Anderson, Indiana

A. From this distance, #3 followed by #1 because this will insure at reasonable cost that all areas are pretreated and all areas have some paint Good luck.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2006

A. Acrylic E COAT is the best option if your production is in bulk. it has zero paint loss and have cost benefit in long run as compared to others.

THANKS
SURYA

SURYAPAL Singh
- Delhi, INDIA
March 25, 2009

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