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CF-K High Purity Silicon Nitride Powder

Silicon nitride is a material characterized by a strong covalent bond structure, showcasing outstanding comprehensive properties across a temperature range of -200C to 1600°C. These remarkable properties encompass high strength, hardness, high thermal conductivity, high temperature resistance, wear resistance, corrosion resistance, oxidation resistance, good fracture toughness, exceptional thermal and mechanical shock resistance, and more. Such a combination of attributes distinguishes silicon nitride as the unparalleled "all-around champion"in the realm of ceramic materials.

The CF-K powder manufactured by our company is utilized as the primary material for producing silicon nitride ceramic structural components. CF-K selects high-purity silicon powder as its raw material and undergoes a direct nitriding process.This particular product offers several advantages including a high a phase content, a narrow particle size distribution, and excellent sintering activity. It is well-suited for various applications and processes involving silicon nitride ceramics.

Technical Specifications

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Test item

Unit

Index range

Testing equipment or method

α phase

%

≥20

X-ray diffractometer    

 JC/T 2342-2015    

Fe

ppm

≤5000

Atomic absorption method

ISO10058-3:2008

Al

ppm

≤2500

Ca

ppm

≤2500

N

%

≥38

Kjeldahl nitrogen apparatus

GB/T 16555-2017

C

%

≤0.15

High frequmency infrared carbon analyzer

GB/T 16555-2017

D50

μm

5-10

Laser particle size analyzer

GB/T19077-2016

O

%

≤1.0

Inert gas pulse infrared thermal conductivity method

GB/T 16555-2017

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