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topic 60536

Powder coating on Aluminum Zinc (Aluzinc) coated sheets


October 23, 2017

Q. Hi,
Is it feasible to powder coat on aAluzinc sheets. If it is possible, guide us with the method.
Thanks,
Siva

Sivaraja sekhar
- Chennai, India


October 2017

A. Hi Sivaraja. Although you should certainly check with the Aluzinc supplier, I can't think of any reason that powder coating would be inappropriate.

Although a zinc phosphate pretreatment should be workable, those suppliers who reveal their pretreatment seem to be using chromate conversion coating, which sounds ideal for a material with high aluminum content like Aluzinc. Good luck.

Regards,

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



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