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curated with aloha by
ted_yosem
Ted Mooney, P.E. RET
- Pine Beach, NJ
finishing.com -- The Home Page of the Finishing Industry


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Want thick layer passivate for zinc plating




March 2, 2009

We need to coat a thick layer RoHS-compatible yellow passivate on Zinc plating with high corrosion.

We tried Perma Pass 3082, but the color isn't a nice yellow; sometimes it's reddish or very light yellow

Maybe you know of another liquid for cold-operating layer passivate for zinc?

Izhar Shvartzman
coating factory manager - Kfar Saba, Israel



Hi, Izhar. Unless I am misreading something, Perma Pass 3082 is a "Transparent/Iridescent Blue" conversion coating, not a thick yellow one. Perma Pass 3095 is a thick trivalent yellow. There are many other conversion coatings from your supplier, and many other brands and trade names, but we don't recommend particular brands. Good luck.

Regards,

Ted Mooney, finishing.com
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
March 4, 2009




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