What is the composition of bentonite? What are the uses? Price per ton?

Bentonite (English name Bentonite), also known as swelling rock, bentonite and common name Guanyin soil. It is a clay mineral with montmorillonite as the main component, which has good cohesiveness, expansibility, adsorption, plasticity, dispersibility, lubricity and cation exchange. After being exchanged with other salt bases and lithium bases, it has quite strong suspension and excellent decoloration after acidification. Therefore, it can be made into various adhesives, suspending agents, adsorbents, decolorants, plasticizers, catalysts, purifying agents, disinfectants, thickeners, descaling agents, detergents, fillers, reinforcing agents, etc. Its chemical composition is quite stable, and it is called "universal stone".