Does the purity of organic coloring mica powder pigment affect its color and gloss?

Firstly, from a color perspective, the surface of mica powder often deposits or adsorbs some chromogenic ions (such as Fe3+）These chromogenic ions can affect the brightness and color tone of colored mica, mainly manifested as impure and dull colors. When the purity of mica powder increases, that is, the adsorption of chromogenic ions and other impurities on the surface decreases, the color of mica powder will become more pure and vivid. This is because the improvement in purity reduces the interference of impurities on color, allowing colored mica to more accurately present its own color characteristics.
Secondly, from the perspective of glossiness, mica powder has a certain degree of reflectivity, which can increase the reflectivity of the material and present a higher brightness and bright appearance on the surface of the material. Mica powder is often used as a brightening agent in industries such as coatings and plastics. When the purity of mica powder increases, its surface becomes smoother and its reflective performance will correspondingly improve, thereby further enhancing the glossiness of the material. In addition, the particle size distribution and flatness of mica powder also affect its glossiness performance. Generally speaking, mica powder with higher fineness and better flatness can produce better gloss effect.
In summary, the purity of organic colored mica powder pigments has a significant impact on their color and glossiness. Improving the purity of mica powder can make its color more pure and vivid, while enhancing the glossiness of the material. Therefore, when preparing and applying organic colored mica powder pigments, it is necessary to strictly control their purity to ensure that the color and glossiness of the final product meet the requirements.