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          Soft composite silica powder

          Soft composite silica powder

          Soft composite silica powder

          【基本說明】:Soft composite silica powder refers to the glass phase silicon dioxide powder material made of natural quartz and other inorganic non-metallic minerals by such processes as compounding, melting, cooling, crushing, grinding and classifying.

          【應用范圍】:

          >Basic characteristics of Soft composite silica powder:

          Item            Unit            Typical Value            
          Appearance            /
          White powder
          Density            kg/m3
          2.59×103
          Mohs Hardness      
          /
          5.00
          Dielectric Constant        
          /
          5.0(1MHz)
          Dielectric Loss        
          /
          0.003(1MHz)
          Coefficient of Linear Expansion
          1/K
          3.8×10-6

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

          ItemIndex of CorrectionIntroduction
          PuritySiO2contentChemically stable composition, to ensure consistency of performance.
          Ion impurityNa+、Cl-,etc.Can be reduced below 5ppm
          Particle size distributionD50Available within D50=0.5-10μm
          Particle size distributionMay be adjusted on basis of typical distribution as needed, including multimodal distribution and narrow-range distribution.
          Surface characteristicsHydrophobicity and oil absorptionTreatment agent of different functions may be selected as needed by customer

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