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Take pearlescent pigments as an example, pearlescent pigments are a class of pigments with pearl luster, which are deposited on the substrate (generally natural mica, synthetic mica, glass sheet and other sheet-like materials) above a layer or alternately deposited multiple layers of metal oxides or non-metallic oxides and formed a flat sandwich body with a structure similar to sandwich. Due to the difference in refractive index between the substrate and the oxide deposited on its surface and each oxide, when the light shines on the surface of the pearlescent pigment, the incident light will be refracted and reflected at the interface of each layer of the pearlescent pigment, and the color of the pearlescent pigment that people see is the result of the superposition of light after multiple refractions and reflections of the light, that is, the interference phenomenon of light.

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thermoplastic powder coatings_pearl mica powder

Mica chips are small flakes of mica, characterized by their shiny and layered structure. Mica is primarily found in two forms muscovite and phlogopite. Both types provide distinct qualities, including flexibility, thermal stability, and resistance to various environmental factors. When these chips are incorporated into concrete, they contribute not only to physical properties but also to the final appearance of the finished product.


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thermoplastic powder coatings_pearl mica powder