Active calcium carbonate

Active calcium carbonate: also known as the modified calcium carbonate, surface treatment of calcium carbonate, colloidal calcium carbonate or Bai Yanhua, referred to as living calcium, is to use the surface modifier on light or heavy calcium carbonate surface modification of calcium in the system.
Heavy calcium carbonate: short TSP is the use of mechanical grinding of natural calcite directly, limestone, chalk, shells obtained. Calcium carbonate sedimentation volume of 1.1-1.4mL / g.