HYDRA

Chemical preparations for use as densifiers on concrete, masonry, stone, tile, or cement for use in construction; chemical preparations for use as hardeners on concrete, masonry, stone, tile, or cement for use in construction; chemical preparations in the nature of preservatives for use on concrete, masonry, stone, tile, or cement, except paints and oils; chemical preparations for use as a stain repellent treatment on concrete, masonry, stone, tile, or cement

Chemical preparations in the nature of exterior surface protective coatings and floor coatings in the nature of surface hardeners for use on concrete, masonry, tile, stone, or cement; Penetrating sealer coatings for use on concrete, masonry, tile, stone, or cement; coatings in the nature of industrial sealants for waterproofing concrete, masonry, tile, stone, or cement