Before one can successfully prepare plastics or composites for painting, there are various factors that must be considered. The identification and isolation of key variables is essential. Because the most effective way to adequately prepare plastics and composites may vary from substrate to substrate, it is necessary to conduct a system overview. This process will provide the basic knowledge of how the system works and what can be expected from that system during operation. For clarity, the system is defined as the mechanical and chemical elements utilized in the preparation of plastics and composite materials prior to painting. The word substrate will refer to various types of plastics or composites, or both.
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