The Most In-Demand Types of Bentonite in 2025
Bentonite is a natural clay valued for its absorbent properties. Industries like oil drilling, agriculture, and construction rely on it for various applications. As these industries grow, the demand for bentonite increases. This article explores the most in-demand types of bentonite and their key uses.
The Two Main Types of Bentonite: Sodium and Calcium
Bentonite comes in two main types: sodium bentonite and calcium bentonite. Each type has specific uses. Let’s examine the differences and applications of both.
Sodium Bentonite – The Go-To for Drilling and Sealing
Sodium bentonite is essential in industries that require sealing and water prevention. It swells when mixed with water, making it ideal for drilling mud in oil and gas operations. This property helps seal boreholes and stabilize drilled wells. Sodium bentonite also prevents leaks when used to seal ponds and landfills.
Countries like the U.S., China, and India rely heavily on sodium bentonite. As oil exploration grows, especially in unconventional sources, companies will continue to increase their demand for sodium bentonite.
Calcium Bentonite – Key for Agriculture and Industry
Calcium bentonite offers absorbent and binding qualities. Farmers use it to improve soil retention and quality. The pet care industry also relies on it for high-quality cat litter products due to its ability to control moisture and odors.
Construction companies use calcium bentonite to seal foundations and landfills. It also binds sand molds and cores in foundries. The demand for calcium bentonite is growing, especially with the rise in sustainable farming and pet care.
Why Are These Types of Bentonite in High Demand?
Several factors are driving the rising demand for sodium and calcium bentonite.
Growth in Oil and Gas Exploration
Sodium bentonite plays a crucial role in oil and gas exploration. As companies seek new oil sources, especially in challenging locations, they need effective drilling materials. Sodium bentonite helps create drilling fluids and seal boreholes, making it indispensable for the industry.
Sustainable Agriculture and Pet Care Boom
Calcium bentonite’s role in agriculture and pet care is expanding. It helps farmers improve soil quality and water retention. The growing global pet care industry also boosts demand for calcium bentonite in cat litter products.
Bentonite Quarry Owners by Country