There are several types of silicon fine particles: common silicon fine, silicon grade powder for electronic applications, silicon grade powder for electrical purposes, silicon grade powder for molten silicon, ultrafine silicon grade powder and “spherical’ silicon grade powder.
Divide by use
You can divide the silicon fine particles into paint coating, epoxy floor, silicone fine powder and sealant.
Divided by production process
Silicon fine powder is classified into crystalline, molten, square quartz, and active.
1. Crystalline silicon Powder
The crystalline silica powder This is natural high-grade quartz that has been produced through a unique grinding process without iron. Its color is white and pure. The process maturation has given it stable chemical and physical characteristics, along with a controllable, reasonable particle size distribution. The crystalline silica fine powder can also be classified into high purity, electronic grade and general filler grade. The crystalline fine powder is widely utilized.
2. Fused Silica powder
Fused Silica powder This powder is formed from high-quality natural Quartz, but it is also a powder that is created by a unique process. The molecular structure is changed from an orderly to a chaotic arrangement. It is white in color, has a high purity, and also has characteristics like: low expansion coefficient, good electromagnetic radiation, chemical stability, such as chemical corrosivity, reasonable or controllable distribution of particle sizes. Widely used is the range of molten fine silicon powder.
3. Fang Shiying silicon
Fang Shiying is a silicon powder made by a unique, high-quality process using natural quartz. The crystal structure of the high-purity silica can be permanently changed by rapid cooling after high temperature calcination. Its chemical properties are stable, it is orderly, and it has a controllable distribution. It is widely utilized.
4. Active silicon fine powder
The surface of the silicon fine particles is modified with a material like a silane. This increases the hydrophobic properties of silicon fines powders and improves the mechanical and chemical properties. Surface treatment of fine silicon powder particles is to improve performance of filler system.
As the technology industry advances, so will the number of species.
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