1.Bentonite of drilling,paint,coating 2.High qulity of bentonite powder 3.Hot-sale,bentonite of oil drilling,paint,coating etc 1.Introduction:Bentonite, is a major non-metallic mineral products consisting of montmorillonite. With moisture absorption and swelling, can be adsorbed 8-15 times its own volume of water, volume expansion to several times to 30 times. In aqueous media, the bentonite ...
