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[Chemical Knowledge]：Properties and uses of mica powder

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The properties and uses
of mica powder in the field of chemical production raw materials
mica powder is a kind of chemical raw materials with unique properties, which is widely used in the production of various chemical products. This article will detail the properties of mica powder and its use in the field of chemical production raw materials.

1. the properties of mica powder

1. Physical properties: Mica powder is a silicate mineral with a layered structure, with good sliding and heat resistance. Its color ranges from colorless and transparent to black, with a glass luster, and a pearl luster on the cleavage surface. Mohs hardness is generally 2~3, the proportion of 2.7~3.5. The elastic coefficient and rigidity are very high, the resistance is large, the conductivity is low, and it is a poor conductor of heat, and has good insulation.
2. Chemical properties: Mica powder has good acid and alkali resistance and can resist most acid and alkali corrosion. In addition, mica powder also has good heat resistance and weather resistance, and can remain stable under high temperature and harsh weather conditions.

2. mica powder in the chemical production of raw materials in the field of use

1. plastic industry: mica powder can be used as a filler added to the plastic, improve plastic rigidity, heat resistance, dimensional stability, electrical insulation and corrosion resistance. In addition, mica powder can also give plastics good processability and gloss.
2. Coating industry: Mica powder can be added to the coating as a pigment and filler to improve the weather resistance, corrosion resistance, heat resistance and hiding power of the coating. At the same time, mica powder can also give the paint a unique metallic luster and three-dimensional sense.
3. Rubber industry: Mica powder can be added to rubber as a reinforcing agent and filler to improve the abrasion resistance, tear resistance, heat resistance and oil resistance of rubber.
4. Ceramic industry: Mica powder can be added to ceramic production as a ceramic raw material to improve the heat resistance, electrical insulation and mechanical strength of ceramics.
5. Cosmetics industry: Mica powder can be added to cosmetics as pigments and fillers, giving cosmetics good texture and color, and can also improve the sunscreen performance of cosmetics.

In short, mica powder has a wide range of applications in the field of chemical production raw materials, which can improve product performance and quality. In the future, with the continuous development of science and technology, the application of mica powder in chemical production will be more extensive.

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