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          Crystalline silica powder

          Crystalline silica powder

          Crystalline silica powder

          【Explanation】:The crystalline silica powder refers to ɑ-crystalline silica powder made of natural quartz through such processes as sorting, crushing, grinding and classifying.


          >Basic characteristics of crystalline silica powder:

          ItemUnitTypical Value
          White powder
          Density kg/m3
          Mohs Hardness/
          Dielectric Constant/
          Dielectric Loss/
          Coefficient of Linear Expansion1/K
          Thermal ConductivityW/K·m
          Refraction Coefficient/

          >Crystalline 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-,etcCan be reduced below 3ppm
          Particle size distributionD50          Available within D50=0.5-50μm
          Particle size distributionMay be adjusted on basis of typical distribution as needed, including multimodal distribution and narrow-range distribution.
          Appearance characteristicsWhiteness and transparencyWhiteness is within 60-98, high-transparency product is available.
          Surface characteristicsHydrophobicity and oil absorptionTreatment agent of different functions may be selected as needed by customer

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