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Careers News Events Resources Toggle navigation Products Search U.S. Borax Products High quality, high reliability, high performance borate products. It’s what we’re known for. Find Products Featured Products Firebrake Dehybor Neobor Optibor boric acid View All Products Featured Applications Agriculture Ceramics, Enamels, and Glazes Fire Retardancy Wood Protection and Biocides View All Applications About U.S. Borax Global leadership in industrial borate supply, technology, and science—with local commitment to people and community. Learn More Why partner with U.S. Borax U.S. Borax Operations Boron Wilmington Coudekerque Nules Owens Lake Rotterdam Sales and Support Offices Careers Workplace Safety Women in Mining Inclusion Council U.S. Borax History Community U.S. Borax Visitor Center Borax Visitor Center Foundation Community FAQ Boron Basics Boron in Modern LifeSustainability Customer Support Partnering with U.S Borax Get quick answers and easy connections to product documentation, certification and safety information, expert technical support, and more. Learn More Common Support Topics Delivery to Storage Product Stewardship Health and Safety Support Documentation Technical Resources and SDS Certifications Multi-lingual Documentation Common FAQ Product Quality Boron Testing Methods Production Lot and Batch Codes Better Quality BoronContact Us Products Product Finder ApplicationsWhy partner with U.S. Borax U.S. Borax Operations Careers U.S. Borax History Community Sustainability Customer Support Common Support Topics Delivery to Storage Health and Safety Product Stewardship Support Documentation Certifications Common FAQ Multi-lingual Documentation Technical Resources and SDS Product Quality Better Quality Boron Boron Testing Methods Production Lot and Batch Codes News Events May 2021 June 2021 March 2022 July 2022 September 2022 October 2022 March 2023 May 2023 June 2023 July 2023 August 2023 October 2023 November 2023 January 2024 April 2024 May 2024 June 2024 September 2024 Resources Brochures Case Study Videos Data Sheets Educational Videos Field Studies Product Videos Specifications Sheets Technical Bulletin SDS Search Contact Us 150 years of innovation from U.S. Borax High-quality refined borates made in America 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 Polymers and Coatings Polymers can ignite and burn easily which is why flame retardant additives are often required to meet safety standards. One of the many commercial applications of borates is fire retardancy. Learn More Wood Protection and Biocides Borates and boron compounds are used in the creation of affordable, durable, and environmentally safe wood and wood products in order to protect them from fire, fungi, and pests. Learn More Fire Retardancy U.S. Borax products are used in a variety of fire retardant applications, including polymer-based applications, cellulose protection, lumber, and plywood. Learn More Agriculture Boron is a micronutrient that is essential to plant growth. Boron is necessary for proper absorption of macronutrients and plays a key role in protecting soil health, supporting sustainable farming, and increasing both the nutrition and yield of crops. Learn More Glass and Glass Fibers Heat resistant, chemical resistant, scratch and shock resistant, borosilicate glass—made with silica and boron trioxide—provides strength and durability across a range of products from cell phones to solar panels. Learn More Ceramics, Enamels, and Glazes Borates can be incorporated into frits—glassy, silica-rich materials that are used in the manufacture of glazes and enamels—to make them insoluble and help reduce glass viscosity. This improves fit, luster, durability, and chemical resistance. Learn More view all applications 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: Key to healthy crops on a changing planet For a century, we’ve known that boron is an essential nutrient for plants. But what we’ve recently learned is that boron can play a key role in aidi... Read More U.S. Borax becomes first open pit mine to transition to renewable diesel Rio Tinto has successfully completed the full transition of its heavy machinery from fossil diesel to renewable diesel at its Boron, California operation, mak... Learn More Boron in Solar Energy: Powering Efficiency Solar power offers exciting potential as a clean and endless energy source. Yet scaling it will require more efficient and durable products for harnessing the... Read 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 How Boron Improves Your Life Boron’s...