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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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How to achieve 2000 hours corrosion resistance in painting system

1.Suggest a Painting process to achieve 2000 hours of Neutral salt spray for a fabricated chassis with multiple weld joints (MIG weld) 2.Suggest a paint for the above requirement as to achieve 1000 hours Ultra violet (UV) resistance

RAGOTHUMAN PADMANABHAN
- HOSUR, TAMILNADU, INDIA
2003

Hi, Ragothuman. What pretreatment and painting processes are your currently using? What salt spray hours and UV resistance are you presently getting? It may give us a clue to the weakest link; for example, does your system lack an e-coating step or zinc phosphatizing? Those are probably your starting point. Good luck.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003

Dear Ted Mooney, P.E.,

Good Question ......... !

Atul Bhide
jobshop / applicator - Mumbai, India
2003

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