Spherical silica powder
Spherical silicon fine powder (NOVOPOWDER DQ)
[Basic description]: Spherical silica fine powder is made of selected irregular angled silica fine powder and processed into a spherical shape by the flame melting method, thereby obtaining a spherical silica powder with small specific surface area, good fluidity and low stress体 材料。 Body material.
> Basic properties of spherical silica powder:
|density||kg / m 3||2.20 × 10 3|
|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|
> Spherical silicon powder can be differentiated based on the following characteristics and cooperated according to customer requirements:
|purity||含量等 SiO 2 content, etc.||Selectable within 98.0-99.9%|
|Ionic impurities||Na +, Cl-, etc.||Can be as low as 1ppm|
|Particle size distribution||D50||D50 = 2-50µm optional|
|Particle size distribution||Can be adjusted based on typical distributions, including multimodal distributions, narrow distributions, etc., as required.|
|Surface properties||Specific surface area||/g可控。 Controllable from 0.5-30m 2 / g.|
|Hydrophobicity, oil absorption value, etc.||According to customer requirements, different functional treatment agents can be selected.|
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