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For example, poor flow or leveling properties of a coating will usually cause a long-wave structure often called orange peel. Changes in substrate roughness, on the other hand, will exhibit a short-wave structure of higher frequency. Because waviness is often caused on the production line, it is important to control it there.
A reduction of the longer waves can be achieved by optimizing the base coat–clear coat application, for example by higher clear coat film thickness. As a result, the new look will be dominated by the shorter waves, which would be equivalent to a blue/green color. In practice, a dominance of shorter waves can
be caused by a poor-quality primer. |
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