Chemical products for use in industry; chemical preparations for use in the treatment of water; chemical preparations and substances all for use in removing and preventing scale and other incrustations in water heating installations; adhesive and sealing substances; synthetic resins; plastics in the form of powders, pastes, liquids, emulsions, dispersions, pellets, chips or granules all for industrial use; chemical products all for use in priming, sealing and bonding; caustic soda; chemical additives for oil; chemical products for cleaning purposes; solvents; detergents; plastics materials in the form of foam; all included in Class 1.;