Bentonite - Wikipedia, the free encyclopediaBentonite is an absorbent aluminium phyllosilicate clay consisting mostly of montmorillonite. . Calcium bentonite may be converted to sodium bentonite (termed sodium beneficiation or sodium activation) to exhibit . The main uses of bentonite are for drilling mud, binder (e.g. foundry-sand bond, iron ore pelletizer), purifier,.foundry bentonite vs calcium bentonite,Opta Minerals - Green Sand Additives (Bentonite, Carbobond .Foundries use Bentonite when pouring metal cast molds. The clay withstands . We stock the Western Sodium type and Southern Bentonite Calcium Types.foundry bentonite vs calcium bentonite,Bentonite clay - sodium and calcium bentonite - LKAB MineralsLKAB Minerals supplies both sodium and calcium bentonite products . Bentonite is used in a wide range of applications; within the foundry industry Bentonite is.
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