Coating materials are applied in a thin film to provide protection or decoration to a surface. Most films are thin in comparison to the workpiece. In order to achieve the desired characteristics from the thin film, the coating material fon-nulation must be carefully considered in relation to the part characteristics, surface preparation, application technique and curing method. The correct combination of components and process steps can lead to a film that provides long-lasting beauty and defense against the elements.
Coating material can be formulated from a wide variety of chemicals and materials or a combination of different chemicals. Each component in the formulation serves a specific fiinction. Four common components, shown in Table 2-1, are pigments, additives, binders and the carrier fluid or solvent.
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