This standard defines the Thorough Abrasive Blast Cleaning level of surface cleanliness achieved using abrasive blast cleaning on uncoated or coated non-ferrous or stainless-steel surfaces. The standard also includes requirements for materials and procedures used to achieve and verify the cleanliness level. This standard is for the preparation of non-ferrous metals for coating application and should not be used for carbon steel substrates. The primary functions of blast cleaning before coating are:
(a) To remove material from the surface that can cause premature failure of the coating system; and
(b) To obtain a suitable surface profile (roughness) to enhance the adhesion of the new coating system.