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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A fine-grained, white, non-crystalline product manufactured in the U.S.A. by U.S. Borax Inc.
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)
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.
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.