Chemicals used in industry; silicates, namely, siliceous earth, calcined and surface-treated, in powdered, granulate and gel form, for use as filler for elastomers, paints and lacquers, duroplastics and reaction resins, polishing and maintenance preparations, building chemistry, food additives, adhesives, welding electrodes, rubber, plastics, and for the use in cosmetics and pharmacy; silicates, namely, siliceous earth, calcined and surface-treated, in finished and refined form; kieselgur, es...