Bentonite is widely used in various industries due to its unique properties. In the construction industry, it is utilized as a sealant in foundations, tunnels, and wells to prevent water leakage. Its swelling ability makes it ideal for creating impermeable barriers. In the foundry industry, bentonite is a key component in molding sands, providing cohesion and plasticity to the molds used for metal casting.

In the environmental sector, bentonite is employed in landfill liners and caps to contain contaminants and prevent groundwater pollution. It is also used in water treatment processes to remove impurities and clarify water. In agriculture, bentonite serves as a soil conditioner, improving water retention and nutrient availability for plants. Additionally, it is used in animal feed as a binder and to reduce the risk of toxins.

In the cosmetics and personal care industry, bentonite is a common ingredient in face masks, cleansers, and other skincare products due to its ability to absorb oils and impurities. It is also used in pharmaceuticals as an excipient in tablets and as a suspending agent in liquid medications. In the food industry, it acts as a fining agent in wine and beer production to remove impurities. In the petroleum industry, it is a component in drilling fluids for lubrication and pressure control. Its versatility and effectiveness make bentonite a valuable material across multiple applications.