1 Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing compositions; tempering and soldering preparations; adhesives for use in industry; chemical preparations and chemical additives for use in the casting of metals; chemical additives for use in the manufacture of metallic castings, namely, auxiliary fluids being chemicals for use in metallurgical processing; metallurgical auxiliaries being chemicals used in industry and being natural materials; chemical preparations for use as mineral or organic heat-insulating exothermal and/or slag-forming materials in the form of powder or granules to be applied to a metallurgical melt or in plate form; chemical additives for use as binding agents and powders in mixtures for the production of casting and covering forms for pans and continuous casting distributors; chemical preparations, namely, mineral and/or organic material for manufacturing fire-resistant and/or heat-insulating flashings and covers for metallurgical vessels; coating preparations (other than paints), namely, chill-mould coatings; chemical materials for the manufacture of fire-resistant articles including mouldings, linings, floors, walls, ceilings and joints; industrial chemicals, namely, isolating pan and tundish covering materials containing silica