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20 Mule Team parade

educational video

Celebrating 145 years of Rio Tinto's borates business.

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A critical mineral hiding in the desert

educational video

For us, the challenge was clear: What can we extract from our waste streams at Boron? At first, our team was on the lookout for gold, but what we discovered was even better… battery-grade lithium! Used in powering smartphones, laptops and electric cars, it’s the stuff the renewable future is made of… literally.

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A fundamental part of life on Earth

educational video

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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Borates in fire retardancy

educational video

U.S. Borax products are used in a variety of fire retardant applications, including polymer-based applications, cellulose protection, lumber, and plywood.

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Boron and Wilmington operations overview tour

educational video

Take a tour of the largest open pit mine in California as well as our shipping facility in the Port of Los Angeles. You'll meet the people who make our operation a success as well as the technology we use to bring you essential materials for modern life.

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Boron: Helping feed the world

educational video

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.

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Career opportunities: U.S. Borax

educational video

Opportunity, adventure, community: You'll find it all at U.S. Borax

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Driving improvements with data

educational video

Meet Justin Sewell. When he was shipping and rail operations superintendent, at our Boron Operations in California, Justin developed an app to monitor trucks which drives efficiency across the operation. (He's now plant manager at our Wilimington location.)

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How do plants use boron?

educational video

Boron plays a vital role in plant health and crop yield. Learn how plants use this important micronutrient.

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How to spot boron deficiency

educational video

Understand the symptoms of boron deficiency and what the best practices are to identify the amount of boron in your soils and plants. Focusing on micronutrients will help you achieve optimal growth, health, and yields.

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Optimizing agriculture in Latin America

educational video

U.S. Borax is committed to supporting growers, agronomists, and distributors in Latin America, using high-quality, refined borates and expert agricultural education and advice.

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Partnership: Wilmington and The Boys & Girls Club

educational video

We’ve long been supporters of our local chapter of The Boys & Girls Club. So, at the start of the COVID-19 pandemic in California, many of our employees immediately reached out to see how we could support them in their efforts to provide meals, foodstuffs, and distance learning support to families living in the LA harbor area.

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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 650 customers with more than 1,800 delivery locations globally. We supply around 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.

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