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Ted Mooney, P.E. RET
Pine Beach, NJ

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Gold Iridite versus Yellow Dichromate

Some people in the telecomm industry use "yellow dichromate" and "gold Iridite" synonymously. Are these two the same and is the term "gold Iridite" at all related to the element Iridium?

Thanks,

Jason Brinkey
Telecomm overhead racking - Overland Park, KS, USA
2004

You'd have to go back about 50 years for the derivation of the trade name Iridite but I doubt that it has anything at all to do with Iridium. Iridite is a Macdermid trade name for chemicals for chromate conversion coating, which can also be called yellow dichromating. It's a scotch tape / cellophane tape, xerox / photocopy type thing.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2004

Q. I'm QA Engineer. Can I know what the different between Yellow Chromate & Yellow Iridite. Hope that someone can help me to explain this. Thanks in advance.

Larry Koh
CNC Machining - Malaysia
April 16, 2008

Hi, Larry. As you see, we appended your inquiry to a similar thread instead of generating duplicates. If this does not answer your query fully, feel free to follow up.

Regards,

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

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