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Revision Date: May 18, 2009
Updated On: May 27, 2009
Editorial Change:
1.1 These practices cover four types of treatment for preparation of aluminum and aluminum-alloy surfaces for painting, as follows: 1.1.1 Type A—Solvent Cleaning. 1.1.2 Type B—Chemical Treatments. 1.1.3 Type C—Anodic Treatments. 1.1.4 Type D—Mechanical Treatments. These four types cover a number of procedures, as described herein.
1.2 Variations in surface treatment produce end conditions which differ, and which do not necessarily yield identical results when paints are applied. Service conditions will dictate the type of surface preparation that should be selected, although the quality produced by any individual method may vary with different alloys.
