Bentonite is also known as porphyrycite. The main mineral component is montmorillonite, so its properties are basically determined by montmorillonite, and it has a series of special properties such as swelling, adsorption, bonding, and catalysis. Therefore, bentonite can be used as a binder, suspending agent, stabilizer, catalyst, feed, etc., and is widely used in agriculture, light industry, cosmetics and pharmaceuticals.