The Surf Pass Ti NOC is Passivation free of Chromium, Phosphorus and Nitrates for aluminum and its alloys.The complexes created on the pretreated surfaces provide excellent anti-corrosion protection and adhesion to the coating. It is based on Fluorotitanic acid, it is suitable for spraying.The coating of passivation is colorless.Before using the Surf Pass Ti NOC, aluminum surfaces must be degreased and etched according to the specifications and requirements of Qualicoat and GSB International.