Who Is U.S. Borax?

U.S. Borax, part of Rio Tinto, is a global leader in borate fertilization and science. We provide approximately 30% of the world’s supply of refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. 

Boron Operations is the heart of a global business including refineries, shipping facilities, and a network of warehouses and stockpoints. We serve more than 1,000 customers in more than 100 countries. Our company is acknowledged for its leadership in developing borates' potential and its world-class safety, environmental, and community practices.
Our mine is the largest open pit mine in California and one of the riches borate deposits on the planet. While boron is present everywhere in the environment, substantial deposits of borates are relatively rare.

The U.S. Borax boron deposit produces primarily tincal and kernite, which are calcium-free sodium borates. This makes them optimal for use in agriculture.

Your Experts in the Field

U.S. Borax local agriculture experts understand the uses and benefits of boron on crops. In addition to a global sales team, we also have a number of agronomists on staff to help fertilizer distributors maximize the benefits of borates in agriculture applications. And, help individual growers with questions and concerns about their particular crop.
 

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 500 customers with more than 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

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