In the ever-evolving world of skincare, ingredients play a crucial role in enhancing not just the efficacy of products, but also the overall user experience. One such ingredient that has garnered attention in recent years is mica powder. Traditionally used in cosmetics, mica powder is now making its way into body butters, adding a touch of elegance and unique benefits to this beloved skincare product.

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Renowned manufacturers have invested heavily in research and development to innovate within the realm of mica processing. Cutting-edge technology and a deep understanding of the mineral’s characteristics allow them to offer an array of products that cater to specific industry needs. For instance, in the electronics industry, mica is utilized for its superior dielectric strength and thermal stability. Manufacturers produce ultra-thin mica sheets that serve as insulators in high-voltage equipment and as substrates in circuit boards, ensuring efficiency and durability.

The mica industry is undergoing profound changes. With the help of emerging industries, the mica industry will be a large market of more than 10 billion.

2. Cosmetics MICA is widely used as a cosmetic ingredient, providing luminosity and shimmer to various beauty products. Its appeal lies in its safe, non-toxic nature, making it favorable for consumers who prioritize safe products. The burgeoning cosmetics market in China, driven by growing consumer awareness and disposable income, bolsters the demand for MICA.

Natural mica powder and synthetic mica powder also have great differences in electrical insulation, mechanical properties, chemical stability, application range and cost. Natural mica powder has good electrical insulation, but the volume resistivity is lower than that of synthetic mica. Synthetic mica powder has better electrical insulation properties, high volume resistivity and stable dielectric constant, and is suitable for high performance electrical insulation materials. The hardness of natural mica powder is relatively low (2-3), and it has good elasticity and peeling property. The hardness of synthetic mica powder is higher (between 3 and 4), and the tensile strength and compressive strength are better than that of natural mica powder. Natural mica powder is stable in acid-base solution, but it is easy to decompose at high temperature. Synthetic mica powder is stable to acid and base at room temperature, but will be slowly corroded by sulfuric acid above 300℃. Better thermal stability, not easy to release gas. Natural mica powder is widely used in electrical appliances, welding rods, rubber, plastics, paper making, paint and other fields. Synthetic mica powder is mainly used in high-end electrical insulation materials, aviation, aerospace, national defense industry and other high-tech fields. Because synthetic mica powder needs to be produced through complex chemical processes, its production cost is usually higher than that of natural mica powder. Therefore, in the market, the price of synthetic mica powder is often higher than that of natural mica powder. However, with the continuous progress of production technology and the gradual emergence of scale effects, the price of synthetic mica powder is expected to gradually decrease.

A group of parallel cleavages can be seen in a photograph of biomica under orthogonal polarized (left) and single polarized (right) mirrors.

What are the uses of mica

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.