... bentonite powder 3.Hot-sale,bentonite of oil drilling,paint,coating etc 1.Introduction:Bentonite, is ... adsorbed 8-15 times its own volume of water, volume expansion to several times to 30 ... viscosity, thixotropy and lubrication, and its bonding with water, mud, sand and other fine debris, with ... ≥344.Application:Bentonite can be used in oil drilling,paint,coating,chemical etc.5.Package & Storage:Kraft ...