Chemical products used in industry; products used in electroplating and related processes; products used in the metal finishing industry (including products used in precleaning prior to phosphating, plating and painting); products used as pretreatments to metal finishing operations (including products used in phosphating, chromating, bright dipping and priming); products used as post-treatments to metal finishing (including products used in chromating); products used in producing a final finish on metals (ingluding products used in powder coating, painting and plastic coating); products used in the manufacture of printed circuit boards and plating of non-conductive surfaces; products used for the stripping of organic and inorganic coatings