Natural mica powder and synthetic mica powder have differences in production methods, heat resistance and color transparency. As the name suggests, natural mica powder is made from natural mica ore after processing, retaining the original characteristics and composition of the ore. Its main components are SiO2 (about 49%) and Al2O3 (about 30%), while also containing K2O+Na2O (9%-11%) and so on. The synthetic mica powder (such as fluoroglogopicite powder), is the use of a variety of raw materials through high temperature reaction and other chemical methods synthetic, its composition and characteristics can be adjusted and optimized according to the need, the chemical formula is KMg3(AlSi3O10)F2, belongs to the monoclinic crystal system, is a typical layered silicate, relatively single and pure composition. The heat resistance of natural mica powder is generally 500-600℃, and some types, such as phlogopite, can reach 800℃. The heat resistance of synthetic mica powder is more excellent, and it can withstand high temperatures above 1200℃, and the melting point or crystallization temperature is about 1375±5. The transparency of natural mica powder is relatively low, and the color is diverse, including black, yellow, white, gray, green, brown and other colors, and may vary due to different ore types and processing methods. The color of synthetic mica powder is relatively single, usually colorless transparent or white, high whiteness, good optical performance, and high transmittance from ultraviolet to infrared band.
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.
2. Biotite Mica
Synthetic fluorphlogopite, a laboratory-synthesized form of fluorphlogopite, presents an alternative to natural mica. It combines the desirable attributes of phlogopite with the addition of fluoride ions, which enhance its thermal stability and mechanical strength. The synthetic processes involve controlled conditions, allowing for the precise manipulation of composition and properties. This uniformity results in a more consistent product, making synthetic fluorphlogopite an appealing option for advanced applications.
X { Y2-3 [Z4O10] (OH)2 }
In 2022, Lingshou Huajing Mica Co., Ltd. launched cosmetic grade mica powder. The flake structure of mica powder can lock the water on the surface of the skin, forming a protective film to effectively prevent water loss. Its unique gloss and reflection effect add natural and charming luster to the skin, and mica powder also has a certain sunscreen effect. To a certain extent, it can reduce the damage of ultraviolet rays on the skin, protect the skin from the external environment, and prevent sunburn.
Mica pigment paint represents a harmonious blend of nature and artistry. Its radiant qualities allow artists and crafters to push creative boundaries and explore new aesthetics. With its rich history and versatile applications, mica pigment is not just a material, but a tool for expression. Whether you’re a seasoned artist or a beginner, incorporating mica pigments into your projects can truly transform your work, adding depth, shimmer, and a unique touch that captivates the eye. Explore the world of mica pigments, and let your creativity shine!
2. Prepare Your Materials You will need latex paint, mica powder, a mixing container, and a stir stick. You may also want to wear a mask to avoid inhaling any dust while working.
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4. Test and Adjust Always perform a patch test to ensure your skin reacts positively to the new formulation. Adjust the mica content based on your personal preference.
Natural mica is a group of silicate minerals that is typically found in igneous and metamorphic rocks. The most commonly used types of natural mica are muscovite and phlogopite. Natural mica can be mined and processed into thin, flexible sheets that exhibit excellent transparency and brightness. Its natural shiny appearance makes it a favorite in the cosmetic industry, particularly for products such as eyeshadows, highlighters, and lip glosses. Beyond cosmetics, natural mica is used in plastics, paints, and electronics for its insulating properties.
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