[AVAILABLE] CHINA BENTONITE CLAY in adhesive,suspending,gel ,catalyzer . low price high quality The main uses of bentonite are in drilling mud # a binder#purifier#absorbent#and carrier for fertilizers # pesticides. As of around 1990, almost half of the US production of bentonite was used as drilling mud. #Minor uses include filler#sealant#catalyst in petroleum refining. Calcium bentonite is sometimes marketed as #fuller's earth, whose uses overlap with those of other forms of bentonite