1.zinc carbonate (ZnCO3) Good quality. 2.Best service. 3.Quickly delivery time. 4.SGS zinc carbonate basic 1. Physical Properties Alkaline zinc carbonate (zinc carbonate) is widely used in the industries of rubber, plastics, chemicals and medicine as foaming agents of rubber and plastics, colorants, sulfurizing agent and optic stabilizer of transparent rubber and plastic products.2.Usage & ...