Industrial Purpose Non-Swelling Bentonite is a kind of clay that is mainly composed of the mineral montmorillonite. Bentonite is available in different coleus ranges varying from pale white, pale to dark cream, khaki and brown etc. Bentonite is non-swelling in nature. Industrial Purpose Non-Swelling Bentonite can be availed in varied range of grades Oil drilling grade, foundry grade, oil bleaching and animal or cattle feed grade to cater to specific requirement.