No passwords, No popups, No cost, No AI:
we earn from 'affiliate link' purchases, making the site possible

Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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

  The authoritative public forum
  for Metal Finishing 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

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

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: