Concrete admixtures; chemicals for manufacture of concrete; chemical additives and admixtures for cement, concrete, mortar and masonry; concrete additives; concrete and masonry additives and admixtures being chemical preparations for use in industry; chemical compounds for curing concrete; chemical additives for use as binding agents in concrete; chemical agents, additives, and admixtures for modifying one or more properties of cement, mortar, masonry, concrete, and other cementitious materials

Chemical products for industrial applications, namely, unprocessed artificial resins, unprocessed plastics, liquids or pastes for industrial applications; all said goods containing or are derived from silicon dioxide produced from ashes from combustion of plant materials