Clays - NRCan
2011-9-26 · processing facility in Wood Mountain, Saskatchewan, and is producing metakaolin. Metakaolin is superheated kaolin, which is a white-coloured clay used in manufacturing paint, plastics and ceramics, and as a filler and coater in paper. In metakaolin form, the silvery powder is added to cement to increase the strength and durability of concrete