Organoclay rheological thickener 'iclay 21' is a universal, most effective, economical & single inventory grade, which can be suitable to high dft epoxy coatings , marine coatings, industrial coatings, heavy-duty, anticorrosive coatings (especially for bituminous coatings, chlorinated rubber coatings), high performance coatings, auto re-finishes, acrylic coatings, inks & polyester putty.