SiO2 has several types

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Quartz powder summary Natural quartz (SiO2) or Fused Silica powder Powder is obtained by breaking (natural quartz high temperature melting, cooled SiO2), flotation (or vibration or airflow), pickling, purification of high-purity drinking water, and other multichannel processes. Quartz powder is an inorganic, nonmetallic, nontoxic material that is non-toxic and odorless. It is also non-pollutible. Quartz powder is used primarily in integrated circuit packaging for large-scale, as well as in aerospace and aviation, coatings, binders and catalysts, precision castings in medical and high-voltage components, daily cosmetics, and other high tech fields. Due to its wide range of applications, it is a rich material.
Divide Level
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.

The production processes are divided into two categories:
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 three different grades: electronic grade crystalline silicone fine powder, general filler grade and high purity. The crystalline fine powder is widely utilized.
2. Fused Silica powder
Fused Silica powder This powder is a high-quality natural crystal quartz powder, which is then treated in a way that changes the arrangement of its molecular structures from a well-ordered to an unorganized one. His color is white, has a high purity, and also has characteristics like: low line expansion coefficient, good electromagnetic radiation, chemical stability, such as chemical corrosivity, reasonable or controllable 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, its particle size is controlled, and it has a reasonable or orderly distribution. It is widely utilized.
4. Active silicon fine powder
The surface of the silicon fine particles is modified with a material, such as silane. This increases the hydrophobicity of the silicon fine powder. It also improves the mechanical and chemical properties, electrons and the filling system. The main purpose of surface-treatment of silicon fine powder is to improve performance of the filler.
As the technology industry continues to advance, species numbers will increase.

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