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          Spherical silica powder

          Spherical silica powder

          Spherical silica powder

          【Explanation】:Spherical silica powder refers to the spherical silicon dioxide powder material made of irregular corner silicon powder by process of flame and fusion method. It is featured by small surface area, good liquidity and low stress.


          >Basic characteristics of Spherical silica powder:

          ItemUnitTypical Value
          Appearance/White powder
          Particle morphology/Spherical
          Mohs Hardness/6.0
          Dielectric Constant /3.88(1MHz)
          Dielectric Loss/0.0002(1MHz)
          Coefficient of Linear Expansion1/K0.5×10-6
          Thermal ConductivityW/K·m1.1
          Refraction Coefficient/1.45

          >Spherical silica powder can be sorted on basis of following characteristics and prepared as required by customers:

          ItemIndex of CorrectionIntroduction
          PuritySiO2contentAvailable within 98.0-99.9%
          Ion impurityNa+、Cl-,etc.Can be reduced below 1ppm
          Particle size distributionD50Available within D50=2-50μm
          Particle size distributionMay be adjusted on basis of typical distribution as needed, including multimodal distribution and narrow-range distribution.
          Appearance characteristicsSurface characteristics  0.5-30m2/g Controllable.
          Hydrophobicity and oil absorptionTreatment agent of different functions may be selected as needed by customer

          *For any special requirements, please feel free to contact us, we will provide solutions for you wholeheartedly.

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