Why does the directional arrangement of effect pigments determine the flash effect of flash primer?
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Last Update: 2020-02-17
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Source: Internet
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Author: User
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Most of the effect pigments are of sheet structure If the flake aluminum powder or pearlescent powder pigments are disorderly arranged in the paint film, the light on these pigments will only diffuse and have no flash effect However, if these flake pigments are oriented (parallel to the surface or substrate), the incident light will reflect directionally on their surface, resulting in the strongest light observed from one angle and the weak light intensity observed from other angles, resulting in a strong heterochromatic effect with angular light, that is, the flash effect
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