It is an indispensable and important raw material in the fields of electric heating equipment, wire and cable, aerospace and so on.
For example, the safe operation of high-speed rail cannot be separated from the escort of mica products.
Mica powder is derived from a group of silicate minerals, primarily muscovite and phlogopite, which are known for their unique crystalline structure. These minerals are mined and then finely ground to produce a fine powder, rich in reflective qualities. The natural extraction process ensures that the powder retains its purity, making it a valuable addition to various products.
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.
Featured products:
Synthetic 120 mesh :large particle size, with pearl shining effect.
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:
Layer upon layer of mica
2. Aesthetic Appeal Mica chips are known for their brilliant luster and wide range of colors. When mixed into concrete, they can create visually striking surfaces that catch the eye. This ability to enhance the aesthetic quality of concrete makes it an excellent choice for decorative applications, such as walkways, patios, and building facades.
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.
Natural high quality Muscovite:feel fine, soft lubrication.
Synthetic matte 2000 mesh:fine skin, matte effect.
For example, the safe operation of high-speed rail cannot be separated from the escort of mica products.
X represents large interlayer cations, such as K+, Na+, Ca2+, Ba2+, Rb+, Cs+, etc. Y represents octahedral cations, such as Al3+, Fe2+, Mg2+, Cr3+, Ti4+, Fe3+, etc. Z is mainly Si4+ and Al3+; The ideal ratio of the additional anion (OH)- to (O)2- is 2:10, and (OH)- can be replaced by F- and Cl-. Most mica contain 4% to 5% water. Therefore, although they may be called mica, the chemical composition of different mica may be very different, for the purpose of research, we collectively refer to the minerals with this type of characteristics as mica group minerals.