Huber Engineered Materials, a division of J.M. Huber Corporation, announces a price increase for its industrial calcium carbonate products. The price increase does not apply to Huber’s food and USP calcium carbonate grades. The increase is effective November 18, 2013, or as current contracts allow. Prices will increase an average of 4% to 9%, depending on product grade and packaging. “Huber continues to work diligently to improve productivity and processing efficiencies to minimize the im...