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Crystalline silicon powder

Crystalline silicon powder

Crystalline Silicon Powder (NOVOPOWDER DC)

[Basic description]: The crystalline silicon fine powder is a crystalline silicon dioxide powder material processed by natural quartz as a raw material and processed through sorting, crushing, purification, grinding, classification and other processes.

[Scope of application]:

> Basic characteristics of crystalline silicon powder:

project unit Typical value
Exterior /
White powder
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

> Crystalline silicon powder can be differentiated based on the following characteristics and cooperated according to customer requirements:

project Related indicators Description
purity 含量 SiO 2 content Selectable within 98.0-99.9%
Ionic impurities Na +, Cl-, etc. Can be as low as 3ppm
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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