Contact Us

We’re here to help with your boron needs.

Have general comments or questions?

Visit Us

Americas Office Address

Rio Tinto Borates
200 E. Randolph
Suite 7100
Chicago, IL 60601 USA
+1 773 270-6500


Asia-Pacific Address

Rio Tinto
12 Marina Boulevard
#20-1, Marina Bay Financial Centre, Tower 3
+65 6679 9000

EIMEA Address

Borax Europe Limited
6 St James’s Square
London, SW1Y 4AD
United Kingdom

Borax Visitor Center

14486 Borax Road
Boron, CA 93516 USA
+1 760 762-7588
Learn more ›

Rio Tinto Borates is a global leader in the supply and science of borates - naturally-occurring minerals containing boron and other elements. Refined borates are essential nutrients for crops. We are 1,000 people serving 500 customers with over 1,700 delivery locations globally. We supply 30% of the world's need for refined borates from our world-class mine in Boron, California, about 100 miles east of Los Angeles.  Learn more about Rio Tinto

Copyright © 2018 Rio Tinto. All Rights Reserved.