Huber Carbonates, LLC, a subsidiary of J.M. Huber Corporation, has announced that it is substantially increasing capacity at its ground calcium carbonate (GCC) operation in Marble Hill, Georgia. “Huber has a long-term, multi-stage plan to increase capacity in ground calcium carbonate, driven by customer demand and new product sales,” said Matt O’Brien, Vice President and General Manager of Huber’s GCC business. The continuous investments in ground calcium carbonate will position Huber to c...