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"CRCA vs GPSP steel as a substrate for powder coating?"





April 10, 2010

How does CRCA steel cpmpare with GPSP ( Galvanised Plain Single Pass ) steel ? Which is better for powder coating ?

P George
Manufacturer - Mumbai, Maharashtra, INDIA
^


April 12, 2010

Hi, P. The GPSP is galvanized with zinc and thus will afford galvanic protection and significantly outlast powder coating on plain steel. However, the ideal material would probably be Galvanneal, as the annealing after galvanizing presents a surface more suitable for good adhesion of the powder coating.

Regards,

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