U.S. Borax: Pioneering the elements of modern living High-quality refined borates—made in America to propel global innovation. FIND PRODUCTS VIEW APPLICATIONS Refined and specialty borates for every industry and application For a century and a half, U.S. Borax has provided refined borates vital to industrial processes and agricultural and commercial applications. Mined and made in America, our products set the global standard for quality and purity, ensuring the best performance in every process. U.S. Borax technical and scientific experts are dedicated to continuous research and product improvement. In collaboration with industry, education, and community leaders, we constantly explore new ways to optimize boron’s unique properties in your existing applications—and your future innovations. Products Product Applications From reducing melting temperatures in fiberglass production to inhibiting corrosion in fuel additives, Optibor has a multitude of uses in numerous industries. Learn More These products are unique zinc borates combining the best of zinc and boron oxides that can be used to develop fire-retardant formulations. Learn More This industrial, high-performance wood preservative is ideal for protecting rafters, cladding, and joinery against insects and decay. Learn More This hard, glassy, granular product is excellent when forming flux or glass, where it helps to increase yield and reduce energy consumption. Learn More When it comes to particulate materials, particle size affects end product quality and properties. U.S. Borax offers many of its products in powder grade. Learn More With lower transportation, handling, and storage costs, this concentrated sodium borate is used in glass, fiberglass, cleaning products, and flame retardants. Learn More SEARCH PRODUCTS Why Choose Us? Better quality boron, better results In every industrial process, quality inputs matter. U.S. Borax continually monitors and improves product quality at every stage, from our exacting refinement process to product finishing, packaging, and shipping. Every product is meticulously sampled, tested, and documented. The result is refined and specialty borates that are consistent, high-performing, cost-effective, and reliably free of impurities. Quality is top of mind—from our mine to you. Learn More 30% Of the world's boron supply 100 Countries served 1M Tons of product refined annually 19 Product brands Global expertise, global reach The experts at U.S. Borax are dedicated to customer service. Whether you need scientific assistance with a formulation, technical support for your application, or just-in-time delivery anywhere in the world, our experts are here to partner with you every step of the way. Learn More U.S. BORAX INSIGHTS Boron Ops Wins Sentinels of Safety Award from NMA We are proud to be awarded the 2019 Sentinels of Safety Award for our outstanding safety performance in the Large Open Pit category from the National Min... Learn More Boron: Helping feed the world Agriculture needs to become increasingly efficient to feed a growing population. As an essential element for crop growth, boron has a vital role to play. Learn More Borates for Wood Protection: Forest-to-Market The wood and timber industries rely on borates for environmentally safe options for wood protection. Learn how borates protect, preserve, and extend the life ... Learn More LOOKING FOR 20 MULE TEAM BORAX LAUNDRY DETERGENT BOOSTER? The Dial Corporation acquired U.S. Borax’s consumer products division in 1988. Subsequently, Henkel acquired Dial in 2003. Visit the 20 Mule Team Laundry website to find out more. VISIT 20 MULE TEAM LAUNDRY U.S. Borax operations Committed to cutting-edge research, safety, sustainability, and innovation, U.S. Borax operations support our customers and the communities where we operate. Learn More Careers Looking for a career that matters with a company that cares? Learn about working for U.S. Borax, see which positions are available, and discover how to apply Learn More Visiting the U.S. Borax mine Each year, hundreds of visitors travel deep into the Mojave Desert to explore the U.S. Borax Visitor Center—and one of the richest boron deposits on Earth. Learn More Have questions about our refined borate products, our boron research, or your order? We have answers. VISIT OUR FAQ BORON AND MODERN LIVING Boron is all around us, in the food on your table, the car you're driving, and the clothes you're wearing. Discover more ... Food Shelter Energy 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 northeast of Los Angeles. Learn more about Rio Tinto. Copyright © 2021 Rio Tinto. All Rights Reserved. Terms and Conditions Privacy and Cookies CCPA Back To Top U.S. Borax is part of Rio Tinto. We use cookies to remember you and learn how you use these pages. If you agree, click accept. Read our cookie policy for more detail.