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Crystalline silica powder

Crystalline silica powder

Crystalline silica powder

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

【应用范围】:

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>Basic characteristics of crystalline silica powder:

ItemUnitTypical Value
Appearance/
White powder
Density kg/m3
 2.65×103
Mohs Hardness/
7
Dielectric Constant/
4.65(1MHz)
Dielectric Loss/
0.0018(1MHz)
Coefficient of Linear Expansion1/K
14×10-6
Thermal ConductivityW/K·m
12.6
Refraction Coefficient/
1.54

>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=0.5-50?m
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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