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Quantify Hexavalent Chromate
As a supplier of metal stampings for the automotive industry we are being asked by our customers to provide information on the content of banned and regulated substances of concern. Can you tell us how to quantify the content of hexavalent chromate on postplated zinc or preplated (electrogalvanized) zinc?
Larry Cuautla
- Ontario, California, USA
2003
There have been quite a few inquiries similar to yours about European Parliament regulations, RoHS standards, etc., Larry, if you patiently search the site, and we now have a category on our Hotline-letters page for this topic. Good luck.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.
2003
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