polyester concrete repair chemicals; anchoring chemicals for concrete, rock, brick and masonry; chemical sealers for concrete, masonry, wood, shale, metal, and sandstone; and surface active agents for addition to water for suppressing dust on concrete

CEMENTITIOUS MATERIALS FOR CONCRETE REPAIR, FOR PRODUCING CEMENT FOAMS FOR CAVITY FILLING, AND FOR PRODUCING PACKS FOR REINFORCEMENT AND SEALING, FOR THE MINING INDUSTRY; AND GROUTS