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-----How to prevent corrosion of dully powder coated CRCA panels from acid fumes?
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Q. How can prevent corrosion in crca dully powder coated panels from acid fumes.
JEETENDRA MAKKAR- Faridabad/ Haryana/India
March 29, 2022
A. Hi JEETENDRA. An epoxy powder coating on top of proper zinc phosphatizing is probably the best you'll do with a sprayed thermosetting powder. May we assume UV-resistance is not required? Although nylon is not truly acid-resistant, a heavy fluidized-bed application of thermoplastic nylon should far well in mildly acidic situations.
If you need true acid resistance you probably would need plastisol coating.
Luck & Regards,
Ted Mooney, P.E. RET
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