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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 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.

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Firebrake

Firebrake® ZB zinc borate is a white, crystalline powder manufactured in USA by U.S. Borax Inc. Firebrake® ZB is a unique form of zinc borate with multi-functional fire retardant applications in plastic and rubber compounds. Since Firebrake ZB releases its water of hydration at temperatures exceeding 290°C (554°F), it can be used in systems requiring high processing temperatures.

Firebrake® ZB

Firebrake® ZB-XF zinc borate is a white, crystalline powder manufactured in the USA by U.S. Borax Inc. Firebrake® ZB is a unique form of zinc borate with multi-functional fire retardant applications in plastic and rubber compounds. Since Firebrake ZB releases its water of hydration at temperatures exceeding 290°C (554°F), it can be used in systems requiring high processing temperatures.

Firebrake® ZB-XF

Firebrake® Zb Fine is a white, crystalline powder manufactured in USA by U.S. Borax Inc. Firebrake® ZB is a unique form of zinc borate with multi-functional fire retardant applications in plastic and rubber compounds. Since Firebrake ZB releases its water of hydration at temperatures exceeding 290°C (554°F), it can be used in systems requiring high processing temperatures.

Firebrake® ZB fine

Borax

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 

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