Compositions for the manufacture of technical ceramics, ceramic compositions for sinterization (in granulate and dust form); ceramic glazings; opacifiers for enamel, chemical products for preparing enamels (with the exception of paints); colour-brightening chemicals for industrial purposes, chemical preparations for the manufacture of paints; foundry sand, silicates, mineral acids, metal earths, alkaline metals, alkaline-earth metals, salts of alkaline metals and rare earths, salts of precious metals for industrial purposes, raw synthetic and artificial resins; agglutinants for concrete, preparations for waterproofing cement, masonry, concrete, roof tiles, bricks, floor tiles, glazed tiles, ceramic and sandstone (with the exception of paints), preparations for conserving cement, masonry, concrete, roof tiles, bricks, floor tiles, glazed tiles, ceramic and sandstone (with the exception of paints); adhesives and cements for cladding tiles, stones and ceramic, chemical and adhesive products (glues) for industrial use, gums (glues) not for stationery or household use, glues for industrial purposes, sizing preparations, silicones and cements

Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials not included in other classes; plastics in extruded form for use in manufacture, filling materials of rubber or plastic; insulating coatings, linings (plastering) for impermeability; semi-finished artificial and synthetic resins; insulating varnishes, insulating paints, substances for insulating buildings against moisture; joint sealants; adhesive tapes and bands not for medical, stationery or household use; packing, stopping and insulating materials