Chemicals for use in industry; kieselgur; silicates; calcium carbonate; chemical preparations for industrial purposes; fillers for use in industry, namely, chemical additives for general industrial use in the manufacture of a wide variety of goods; mineral fillers for use in industry, namely, silicates and carbonates; ceramic fillers for use in industry, namely, ceramic powders used in manufacturing; polymeric fillers for use in industry, namely, polymeric additives for use in the manufacture...