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What are the applications of sericite mica powder?

2023/12/1Classify:

What are the applications of sericite mica powder?

Sericite mica mineral, is white mica subspecies, the crystal structure and chemical composition similar to white mica, difference between sericite fine grain, hydration, structure of cation exchange, filling in between the layers of K + number less than white mica, so the potassium content in chemical composition than white mica was only slightly lower, but the water content is relatively high white mica, so people call it is a poor silicon, potassium, rich water clay mica.

1. Coating

Sericite powder is a kind of good color filler for all kinds of high grade paint, anti-rust, fireproof and anticorrosive coatings because of its fine scale shape, smooth crystal surface, large ratio of diameter and thickness, high whiteness, stable chemical performance, light weight, smooth, insulation and radiation resistance.Due to the layered structure of sericite, dye particles into the sericite grid work can keep the paint film for a long time.

2. Rubber

Sericite is a good filler or additive in rubber industry, which can reduce the glue content of the material and thus reduce the production cost.Sericite with its unique thin sheet structure can effectively improve the damping property of rubber.Its good compression resistance, tensile resistance, light resistance, fire resistance, weather resistance, heat resistance, acid resistance, physical and chemical properties of electrical insulation, can improve the mechanical properties of sericite rubber products, heat resistance, anti-aging and other functions, and can be used in the development of special rubber products.

3. Plastic 

Sericite, with its unique fine scale structure and silk-silk luster performance, can obviously improve the optical properties of plastic products and improve the air tightness, rigidity, heat resistance and dimensional stability of plastic products when used as an enhancement filler in the plastic industry, which is the difference between sericite and other inorganic fillers.

4. Cosmetics 

Sericite powder has fine and smooth feeling, stable chemical performance, strong adhesion, good dispersion, mixed evenly with water and glycerin, silk luster, uv resistance and other excellent characteristics, is a high quality raw materials for cosmetics industry.Because its quality of a material is exquisite, be full of flexibility, glossiness is appropriate, whiteness is tall, and heavy metal element such as lead, mercuric little or do not have basically, can satisfy the special requirement of some high-grade hairdressing cosmetics.

5. Creamic

Sericite contains a certain amount of K2O, has a certain plasticity and drying folding strength, drying and sintering shrinkage, low sintering temperature, has a wider sintering temperature range, can be fired at a time.Therefore, sericite can be used in glazed tiles, low temperature kiln and other ceramic products.

6. In Others field

In the paper industry, sericite powder can increase the whiteness of paper color, improve the ability of the paper to reflect ultraviolet rays and corrosion resistance, long-term storage of paper is not easy to yellow.In electrode production, sericite powder as electrode coating, can prevent the cracking of coated, have the effect of check flux, but also give good smoothness, viscous electrode coating, help to improve the process performance of electrode, coating performance and improve the quality of the appearance of the electrode pressure, can take the place of titanium dioxide, lower cost of electrode formula.Illite sericite is rich in aluminum and potassium clay, which can be used in chemical industry and chemical fertilizer industry.