The following terms and definitions are applicable to this Specification.
3.1 Coating
A generic term for continuous solid film of liquid or solid materials applied on the surface of steel that function as corrosion protection,decoration or other special performance(e.g.identification,insulation and wear resistance,etc.).
3.2 Painting
A process to apply coating on the surface of base materials to form a protective,decorative or special functional coat,it is also named as coating application.
3.3 Surface roughness
Minor spacing and tiny peak valley on the treated steel surface.
3.4 Coat
Coat is a continuous film layer formed by one course of painting application.
3.5 Glue strength
Adhesion and strength between coat and steel surface or between coats.
3.6 Adhesion
Total bonding force between coat and base material.
3.7 Anti-corrosive coat
A coat mainly applied to protect steel material from corrosion.