Fused silica powder

Fused silica powder

Fused silica powder

【Explanation】:General information: fused silica powder refers to the amorphous silicon dioxide powder material, which is firstly converted into amorphous quartz from natural quartz followed by such processes as electrofusion, sorting, grinding and classifying.

【Applications】:

>Basic characteristics of Fused silica powder:

ItemUnitTypical Value
Appearance/
White powder
Density kg/m3
2.20×103
Mohs Hardness/
6.0
Dielectric Constant/
3.88(1MHz)
Dielectric Loss/
0.0002(1MHz)
Coefficient of Linear Expansion1/K
0.5×10-6
Thermal ConductivityW/K·m
1.1
Refraction Coefficient/
1.45

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

ItemIndex of CorrectionIntroduction
PuritySiO2contentAvailable within 99.0-99.9%
Ion impurityNa+、Cl-,etc.Can be reduced below 1ppm
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

*For any special requirements, please feel free to contact us, we will provide solutions for you wholeheartedly.

Submit requirements and feedback online

Please kindly submit your contact information and product requirements in table below and keep them intact. We will contact you ASAP! Thank you!