Polyurethanes; Adhesive materials for the building industry; Adhesive substances for use in industry; Adhesives and glues for industrial and commercial use; Adhesives for use in manufacturing; Adhesives for use in the construction industry; Construction industry adhesives; Fire retardant chemicals; Fire retardant compositions for commercial and domestic use; Foaming agents; Industrial adhesives; Industrial gluing agents; Plastic adhesives for industrial purposes; Polyurethane adhesives for in...