... than 25nm,the content of montmonrillonite is higher than 95%.With good dispersion properties,it is widely used as additive for nanometer ... -temperature lubricants,fine coatings,sealing grease,glass fibers,resin,oil well drilling liquid and cosmetic products,etc.Bentonite For ... of paint,ink and sealing gel etc.Oil Well DrillingThe organic bentonite is as the thickener,suspending agent,thixotropic agent ...