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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