Fused Silica Powder
Fused Silica Powder (NOVOPOWDER DF)
[Basic description]: Fused silica powder is an amorphous silica powder material obtained by converting natural quartz into amorphous quartz through electrofusion, and then processing it through crushing, sorting, grinding, and classification.
> Basic characteristics of molten silicon powder:
|Exterior|| / || White powder |
|density|| kg / m 3 || 2.20 × 10 3 |
|Moh's hardness|| / || 6.0 |
|Dielectric constant|| / || 3.88 (1MHz) |
|Dielectric loss|| / || 0.0002 (1MHz) |
|Coefficient of linear expansion|| 1 / K || 0.5 × 10 -6 |
|Thermal conductivity|| W / K · m || 1.1 |
|Refractive index|| / || 1.45 |
> Fused silicon powder can be differentiated based on the following characteristics and coordinated according to customer requirements:
|purity||含量 SiO 2 content||Selectable within 99.0-99.9%|
|Ionic impurities||Na +, Cl-, etc.||Can be as low as 1ppm|
|Particle size distribution||D50||D50 = 0.5-50µm optional|
|Particle size distribution||Can be adjusted based on typical distributions, including multimodal distributions, narrow distributions, etc., as required.|
|Appearance characteristics||Whiteness, transparency, etc.||Whiteness is selectable in the range of 60-98; high transparency products are available.|
|Surface properties||Hydrophobicity, oil absorption value, etc.||Different functional agents can be selected according to customer requirements|
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