ContraCor® A2 is an inhibitor additive for kolb cleaning detergents for the protection of sensitive aluminum surfaces.

ContraCor® A2 prevents tarnishing during the cleaning process and is added to the cleaning bath in a concentration ratio of 0.25 to 5%.

ContraCor® A2 is not suitable for MultiEx GC and MultiEx SC detergents or for direct addition to cleaning concentrates.