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You are here: Home » Inorganic powder materials » Inorganic Compound Chemicals » Oxide & Hydroxide » Silicon Dioxide » Silicon Dioxide (SiO2)-Powder

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Silicon Dioxide (SiO2)-Powder

  • 14808-60-7
  • SiO2
  • 140801PD
  • 99.5%-99.999%
  • - 325 mesh.
  • 238-878-4
Availability:

Characteristic


Spherical silica particles have the characteristics of smooth surface, large specific surface area, high hardness and appropriate fluidity. In addition, they also have high temperature resistance, low thermal expansion coefficient, high insulation, corrosion resistance and unique optical properties.  It is widely used in large scale integrated circuit packaging and epoxy plastic packing, aerospace, fine chemicals and daily cosmetics and other high-tech fields. 


Spherical silicon micropowder   

                      Test   Items Unit Typical value Test Method
  Chemical   Composition SiO2 % 99.75 Weight Method
Fe2O3 ppm 60 Spectrophotometer
                      Moisture % 0.05 Weight Method
                     Whiteness / 94.2 Whiteness meter
       Extraction   Water Ec μS/cm 1.8 Conductivity Meter
Na+ ppm 0.7 Atomic Absorption Spectrometer
Cl- ppm 0.8 Auto Electric Potential Titrator
pH / 5.2 PH Meter


Application


The network structure of SiO2 determines its excellent physical and chemical properties. In addition, SiO2 is widely existed in nature and has been widely used by humans since ancient times. Silica and other compounds are fused at high temperatures and rapidly cooled to produce glass. It is also a major component of sand and quartz. It is the main raw material for semiconductor and solar panel applications.


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