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.
1. High Thermal Resistance Non-metallic mica powder can withstand high temperatures, making it suitable for applications involving heat insulation or fire resistance. This characteristic is particularly beneficial in industries like construction, textiles, and plastics.
Health Concerns
3. Improved UV Resistance In addition to thermal stability, mica powder can also enhance UV resistance. Soft plastics are often subjected to sunlight and other environmental factors that can cause degradation over time. By adding mica powder, manufacturers can improve the material’s ability to withstand UV rays, ensuring longer-lasting color and structural integrity.
In conclusion, mica is more than just a mineral; it is a vital component of various industries and applications. The growing demand for mica for sale reflects its importance in the modern world, from enhancing electronic devices to improving cosmetic products. However, as we embrace the benefits of mica, it is equally important to remain vigilant about the practices surrounding its extraction. By supporting ethical sourcing initiatives, we can enjoy the many applications of mica while ensuring a sustainable future for the communities that produce it.
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.
A group of parallel cleavages can be seen in a photograph of biomica under orthogonal polarized (left) and single polarized (right) mirrors.
For example, the safe operation of high-speed rail cannot be separated from the escort of mica products.
1. Natural Glow One of the most significant advantages of mica eyeshadow is its ability to create a natural glow. The light-reflecting properties of mica mean it can brighten the eyes and enhance your overall look without the need for excessive glitter or sparkle.
Later, with the development of science and technology, people gradually realized that mica minerals have high insulation, high temperature resistance, strong acid and alkali resistance, and mica also began to enter building materials, fire, plastics, paper, rubber, pearlite pigments and other industries. These are mainly Muscovite and phlogopite.
A group of parallel cleavages can be seen in a photograph of biomica under orthogonal polarized (left) and single polarized (right) mirrors.
Mica is a very common rock-forming mineral, widely distributed in crystalline rocks. Its general chemical formula can be expressed as:
1. Cosmetics The cosmetic industry has embraced mica for its natural shimmer and opacity. It is commonly used in formulations for makeup, providing a radiant finish without synthetic additives. Mica also helps improve the texture and spreadability of creams and lotions.
Synthetic 120 mesh :large particle size, with pearl shining effect.