Chemical products for industrial and photographic purposes, agents for solvents, solvents for resin (gums), lacquer raw materials and binding materials (adhesives), all being chemical substances used in manufacture; hardening or tempering agents or compounds and soldering materials, synthetic resins for moulding, compressing, casting and spraying, refining agents for lacquer (specialty finish), mordants (pickles), artifical resins in powder and liquid form, sizing materials, glazing agents for wood, leather, paper, textiles and stones, included in this class, finishing (sizing) preparations; tanning agents included in this class; desizing agents.