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In short, there are significant differences between natural mica powder and synthetic mica powder in production methods, color and appearance, performance characteristics, application fields, and price and cost. Synthetic mica powder is superior to natural mica powder in terms of high temperature resistance, transparency, electrical insulation, stability and mechanical properties, while natural mica powder has more advantages in resource acquisition, cost and color. When choosing which type of mica powder to use, you can consider the high temperature resistance of the required material, electrical insulation performance, transparency and color requirements, evaluate the mechanical strength and hardness of the required material, consider chemical stability and other different application scenarios and technical requirements to make a reasonable choice.

Mica is a silicate mineral composed of multiple layers of silicate sheets that can be separated into thin, flexible sheets. This property, along with excellent thermal resistance, electrical insulation capabilities, and resistance to moisture, makes mica particularly valuable. It is widely used in products such as makeup, insulation materials for electrical devices, and as a filler in various applications.

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.

Despite the benefits, the use of mica powder in cosmetics has not been without controversy. One significant concern involves the sourcing of mica. A large portion of the world’s mica supply comes from regions with poor labor practices, including child labor and unsafe working conditions. As consumers become more aware of ethical sourcing, many companies are taking steps to ensure their mica is sourced responsibly, opting for synthetic alternatives or purchasing from suppliers that adhere to fair labor practices.

Layer upon layer of mica

2. Select Mica Color Mica powder comes in various colors—gold, silver, bronze, or even vibrant hues like pink and blue. Choose a shade that complements your skin tone and desired effect.

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.

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.

In addition, lepidolite and ferrolepidolite can also be used as mineral raw materials for extracting lithium.

Despite the benefits and popularity of mica, the sourcing of this mineral has raised significant ethical concerns. Much of the world's mica supply comes from regions in India and Madagascar, where mining practices are often unregulated. This can lead to serious human rights issues, including child labor and unsafe working conditions.

Халуунд тэсвэрлэх дотоод будгийн нэгэн давуу тал нь хэрэглэгчдэд илүү хялбар, шуурхай хэрэглэгдэхийн тулд тунг хянах ажиллагаа юм. Энэ төрлийн будаг нь зөв, мэдрэмжтэй хандлагаар хэрэглэгдэж, будах явцад амархан ялгарч, маш хурдан хатаж, тохижуулалтыг хялбарчилдаг. Түүнчлэн, таны будах ажиллагаа зөвхөн дотоод биш, гадна ч тооцож хэрэглэх боломжтой.

One of the most common uses of mica powder is in various forms of art and crafting. Artists often incorporate mica powder into their mediums to create stunning effects. Here are a few popular applications