Bilt Hamber Dynax UB 750ml Aerosol Can. 1x Bilt Hamber Dynax UB 750ml Aerosol Can. Aerosol Dynax-UB Use a brush or roller to apply Dynax-UB. Dynax-UB should be applied to dry surface free of loose, flaky rust or coatings, although the highly polar corrosion inhibitors will arrest existing corrosion.
