What is the thickener in lubricating grease? NLGI
Common nonsoap thickeners include polyurea, organophilic clay, fumed silica, fluoropolymers, and others. Polyurea is a generic term that includes include diurea, tetraurea, ureaurethane, and many related chemistries. A typical polyurea thickener is the reaction product of a diisocyanate with mono and/or diamines.