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Round corner crystalline silicon powder

Round corner crystalline silicon powder

Round corner crystalline silicon powder (NOVOPOWDER DE)

[Basic description]: Round-cornered crystalline silicon powder is a crystalline silicon dioxide powder material obtained by rounding the crystalline silicon powder as a raw material, which has better fluidity than crystalline silica.

[Scope of application]:





> Basic characteristics of rounded crystalline silicon powder:

project unit Typical value
Exterior / White powder
Particle morphology / Fillet
density kg / m 3 2.65 × 10 3
Moh's hardness / 7
Dielectric constant / 4.65 (1MHz)
Dielectric loss / 0.0018 (1MHz)
Coefficient of linear expansion 1 / K 14 × 10 -6
Thermal conductivity W / K · m 12.6
Refractive index / 1.54


> Round corner crystalline silicon powder can be differentiated based on the following characteristics and matched according to customer requirements:

project Related indicators Description
purity 含量等 SiO 2 content, etc. Selectable within 98.0-99.9%
Ionic impurities Na +, Cl-, etc. Can be as low as 3ppm
Particle size distribution D50 D50 = 5-50µm optional
Particle size distribution Can be adjusted based on typical distributions, including multimodal distributions, narrow distributions, etc., as required.
Surface properties Hydrophobicity, oil absorption value, etc. Different functional agents can be selected according to customer requirements

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