ADD APT Anticor A 5 Blend of esters and organic silicates ADD APT Corrosion inhibitor Coatings >> Waterborne Miscible in esters and mineral oils Soluble in water and PAG ADD APT® Anticor A 5 is a water free aluminium anti-corrosion additive. It is a proprietary blend of esters and organic silicates. Coatings and Lacquers Offers excellent compatibility with water Can be used in any water-based system that comes into contact with different grades of aluminium surfaces. Controls “pitting” of the metal surface Its use is not restricted by the water hardness. Water free aluminium anti-corrosion additive. Used in any water-based system in contact with different grades of aluminium surfaces such as coatings and lacquers. Offers very good compatibility with water and control of "pitting" of metal surface.