1 Cement-waterproofing chemicals, except paints; concrete preservatives, except paints and oils; products for protecting concrete [chemicals]; sealants [chemicals] for the sealing of concrete surfaces; chemical preparations for forming coatings on metals; chemicals for the surface treatment of metals; chemicals for retarding oxidation of metallic surfaces; coating agents [chemicals], other than paint; coating compositions [chemicals], other than paint; industrial adhesives for use in coating and sealing.