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ASTM spec for hex-free Zinc Chromate finish?

2005

We are trying to comply with RoHS (Restrictions on Hazardous Substances)directive for our steel sheet metal parts, which are zinc plated and chromated, and were wondering the following:

Does ASTM have a new specification (ASTM B633) covering Zinc Chromate with out Hexavalent Chromium?

Paul Gordon
- Redmond, Washington, U.S.A.

There is an ASTM website you can go to to find out.

www.astm.org

Bill Reynolds [deceased]
consultant metallurgist - Ballarat, Victoria, Australia
We sadly relate the news that Bill passed away on Jan. 29, 2010.
2005

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