Chemicals used in industry; silica in finished form for use as mineral raw material, particularly for use as a filler for natural and synthetic rubber, for latex, for compounds of thermoplastic materials and synthetic resins, for adhesives and for mastic compounds (included in this class); silica for use as a carrier material for chemical substances and colorants, for use as a quality-improving component for ceramic compounds and as a scorifying component for electrode coating

Silica for use as an abrasive component in cleaning preparations, polishing compounds and sharpening stones