ExCAL 100, 200, 325 and 400
Our calcium carbonate products are processed from a high purity stone, to exacting specifications at our Houston, Texas plant. These grades are suitable for use in drilling fluids, building materials, fillers/extenders and other industrial applications. The main products that we manufacture from Calcium Carbonate minerals are also available in form of powder and crystals.
ExCAL CW 100, CW 200, and CW 325
These products are processed from a high purity white calcium carbonate ore, to exacting specifications at our Houston, Texas plant. These grades are processed for use in completion fluids, plastics, adhesives, sealants, mastics, and other specialty applications where color, solubility, binder demand and economics are of importance.