Calcium Carbonate (ExCAL CW - EXCAL 100, 200, 325 and 400)
Available from Excalibar Minerals LLC
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.