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Silver coating is gold in color instead of silver

March 23, 2009

Dear sir,
Now we have problem. In our plant we coat plastic to silver; but when we finish the product is gold color, we think maybe relative to humidity and temperature . . . if someone knows, please answer us . . .
In my plant the temperature is about 30-38 °C , humidity about 39-58.

Thank you so much

Boworn Asam
engineer - Thailand

Sorry, Boworn, but I don't understand even what process you are speaking of? Silver electroplating after electroless nickel, two-part silvering, silver colored paint, vacuum metallizing with aluminum? Please tell us what you are doing.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted can be retained for immediate
answers or long term project help
March 24, 2009

What is under the silver that is diffusing through? Copper?
Iron? Brass?

Robert H Probert
Robert H Probert Technical Services

Garner, North Carolina

March 25, 2009

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