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          Spherical aluminum oxide powder

          Spherical aluminum oxide powder

          Spherical aluminum oxide powder

          【Explanation】:Spherical aluminum oxide powder refers to the aluminum oxide powder material made of specific irregular corner particles by process of flame method. It is featured by small surface area and good liquidity.

          【Applications】:

          >Basic characteristics of spherical aluminum oxide powder:

          ItemUnitTypical Value
          Appearance/White powder
          Particle morphology/Spherical
          Density kg/m3 3.7×103
          Mohs Hardness/6-9.0
          Dielectric Constant/9(1MHz)
          Dielectric Loss /3×10-4(1MHz)
          Coefficient of Linear Expansion1/K7×10-6
          Thermal ConductivityW/K·m30

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

          ItemIndex of CorrectionIntroduction
          PurityAl2O3content99.0% above
          ImpurityNa2OCan be reduced below 3ppm
          Crystalline phaseɑ-Al2O3contentUp more than 90%
          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.

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