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U.S. bentonite - average price 2007-2020

In 2020, the average bentonite price stood at approximately 98 U.S. dollars per ton. Bentonite is a type of clay along with ball clay, common clay, and fire clay.

Bentonite – additional information

Bentonite is an absorbent aluminum phyllosilicate clay which is frequently generated from the alteration of volcanic ash. It consists predominantly of montmorillonite, a clay mineral. In 1898, Bentonite was first discovered in 1898 and classified in Fort Benton, Wyoming. Bentonite products have properties which give them a wide and diverse range of uses and applications. Its ability to expand in water is one of its most important properties, giving bentonite its voluminous and gelatinous mass. There are several different types of bentonite, such as, sodium bentonite, calcium bentonite and potassium bentonite.

Sodium and calcium bentonites are primarily used for various industrial purposes. In iron and steel production processes, bentonite is widely used as a binding agent. For example, sodium bentonite is commonly used for large castings while calcium bentonite is more often used for smaller castings. The United States was one of the key producers of bentonite in 2020, followed by China and India. In 2020, the U.S. exported around 760,000 metric tons of bentonite to other countries.

Another common use of bentonite is as a cat litter, due to its advantage of absorbing refuse by forming clumps and leaving the rest of the product for further use. During the period from 1996 through 2014, bentonite was, by far, the most popular cat litter material used in North America and Europe.

Average bentonite price in the United States from 2007 to 2020

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Release date

February 2021


United States

Survey time period

2007 to 2020

Supplementary notes

* Estimated.
Excludes Puerto Rico.
The figures for 2007 through 2015 are taken from a previous editions of the publication.

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* Prices do not include sales tax.

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