Chemicals used in the industry; chemicals for use as surface sealants; chemical preparations for the hardening of surfaces; chemical coating agents (chemicals), excluding paints; chemical preparations for the production of surface coatings; chemical preserving agents for the surface of buildings (excluding paints or oils); impregnating agent for concrete; chemical compounds for curing concrete; additives for concrete [chemical products]; preserving agents for concrete (excluding paints or oils)

Paints, varnishes, lacquers; lacquers for the treatment of concrete surfaces; preparations for the sealing of concrete [paints]; sealer coatings [paints] for use in concrete; anticorrosive preparations for the coating of surfaces