CIMBAR Performance Minerals, founded in 1914 on a rich legacy of product excellence and consistent, uncompromising service, delivers critical raw materials to industries around the world. We are recognized globally as the leading supplier of barium sulfate. Cimbar also offers a broad line of high-purity & high aspect-ratio talc, high-purity calcium carbonate, magnesium hydroxide, bentonite and recycled mineral filler processed to satisfy the unique and changing demands of your industry.