Popular Automobile Finish
Metallic paint is a popular automobile finish. It is added aluminum particles, the light incident on the aluminum particles, aluminum particles has been reflected through the gas film. Therefore, it looks like metal shining. Change the shape and size of the aluminum particles can control flash of metallic paint. Metallic paint is added a layer of varnish to protect it.
Pearlescent paint also known as mica paint, it is currently a popular automobile finish. It works is the same as metallic paint basically. It used mica instead of aluminum particles, added with titanium dioxide and iron oxide-coated mica pigment. The light incident on the mica particles, bring the color of titanium dioxide and iron oxide, then undergoing complex refraction and interference in mica particles. Meanwhile, mica itself has a special, transparent sense of color. Thus, the reflected light seems to have a pearly flash. Moreover, titanium dioxide itself is yellow, sometimes changed to blue, look from different angles, with different colors.

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