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High quality, high reliability, high performance borate products. It’s what we’re known for.
About U.S. Borax
Global leadership in industrial borate supply, technology, and science—with local commitment to people and community.
Partnering with U.S Borax
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As one of the chemical elements that make up our planet, boron is all around us—in soil and water, plants and animals—in trace amounts.
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We offer a variety of products for your borates needs. This chart is meant as a framework to begin discussion with a U.S. Borax regional sales manager or technical support representative.
The 20 Mule Team is a decades long institution in southern California. Learn more about the current mining operations and safety commitment of U.S. Borax, part of Rio Tino.
High quality, high reliability, high performance borates
The heart of U.S. Borax is our open-pit mine in Boron, California, one of two world-class borate deposits on the planet. For customers in North America, we ship our products to an extensive warehouse network throughout the United States.
Learn about the pioneers whose mining techniques have evolved into some of today's most innovative mining technology.
U.S. Borax works with other companies to innovate and optimize the effectiveness of NPK fertilizers through the addition of refined boron.
Shaanxi, China (2011): More green leaf color, healthier plant growth, yield increase of 2.6%
Shandong, China (2011)
A comparison among boron alternatives on the speed of release of boron, including sources of boron released after 140 days
U.S. Borax, a Rio Tinto company, began operations at our Wilmington facility in 1924 and, today, manufactures spray dry and zinc borate, used for wood preservation, flame and smoke retardants, and agricultural applications.
Because zinc and boron deficiency are widespread around the world, a product with both nutrients is a good fit in many regions. Zincubor brings these two important micronutrients together in one product.
An essential part of industry—and everyday life
As one of the 109 elements that make up the planet, it’s not surprising that boron is all around us—in soil and water, plants and animals.
Most borates produced by U.S. Borax are relatively stable materials which are normally supplied in 50 lb or 25 kg bags. All bagged borate products should be hadled with care.