Bentonite is a kind of clay mineral with montmorillonite as the main component. It has strong water absorption, it can absorb 8 times of its own volume of water, and it has a volume expansion of 10-30 times. It is suspended and cemented in the aqueous solution. It has grease luster and smooth... https://www.chinabentonite.net/bentonite/calcium-bentonite/calcium-bentonite-clay-for-feed.html