Bentonite

Bentonite is a non-metallic mineral with montmorillonite as its main mineral component and its content is 85-90%,the hardness is 1-2 and the density is 2-3g/m³,because of the change of iron content.there are different kinds of color,like White, light yellow, light grey, light green, pink, brown red, brick red, grey black etc..
According to the different characters,including Adsorption、expansibility and the Pulpability,the bentonite can be divided into Sodium、Hydrogen、Calcium and the Organic bentonite.