Ceramic composites in the form of granules and powders for sintering; ceramic frits; ceramic glazings in the nature of a dry chemical preparation for use in the manufacture of ceramics; ceramic materials in granule form for use in industry; absorbent graphite for industrial purposes; expanded graphites for industrial purposes; graphite in raw or semi-finished form for use in manufacture; graphite for industrial purposes; graphite for industrial use; pyrolytic graphite for industrial purposes;...