Aluminium alloys have been used for ship, architecture, railway, motor car, bicycle chemical machine, optical instrument, furniture & etc. In many cases, Al-alloys are usually painted to protects from corrosion, It is interesting that the Synthetic resin, shown the conspicuous advance are applied for this paint.
Vinyl acrylate copolymar resin, Phenolic resin and phthalic resin paints in the Synthetic resin are good in comparision with paints of Benzyl-cellulose type used to Aluminum alloy for the airplane in our country, and we explane the influence of surface treatments ion the aluminium alloy, for paints Alumite treatment has good effect, and Alcohol phosphate, Chromodiying, Alrok, Alroksealing method followed it.