No passwords, no registration, no paywalls, no popups, no AI

As an Amazon Associate & eBay Partner we earn from affil links

finishing.com -- The Home Page of the Finishing Industry

Search our quarter-million Q&As

Home of the finishing HOTLINE since 1989

-----

Rohs compliance

I am a salesman for a screw manufacturing co. in ILL. and have alot of customers asking about trivalent zinc. Can you help me with more info? And what are the components in it.

Pablo Gonzalez
Allstar Fasteners Inc - Elkgrove Village, Illinois, USA
2005

The passivation for Zinc may include a chemical that includes Hexavalent Chromium(CR VI). This substance is banned by the EU RoHS directive. A replacement chemical contains TriValent Chromium (CR III) which is RoHS compliant.

Stephen Baxter
Precision Engineering - Kelso, Scotland, U.K.
2005

Sorry! Finishing.com is temporarily Read-Only.
Ted Mooney is retiring but I have several offers to take it over.
We're working hard to make sure we find it the best new home.

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: