This series of organophilic bentonite is a smectite (bentonite) based rheological additive recommended for use in oil based drilling mud. It is a cost effective material .It is the excellent gelling agent ,thixotropic agent .All the viscosity could be tested by using fann viscosimeter,and all the partical size been tested by laser particle analyzer ,this series of organoclay is bentonite been modified by quaternary ammonium, anionic group, The colloid fraction of BESTGEL ,2 and BESTGEL 3 is excellent, and it give colloid stability
It been used as rheology conditioner around 30 years.