All technical data presented represent typical results, unless stated otherwise as min/max values.
No guarantee is made that material will meet exactly the values shown.

Silicon Nitride

Si3N4 Light Grey Powder

Typical Technical Data:


Characterization Techniques


Specific Surface Area m2/g

a) 30 ± 5   b) 45± 5   c) 75± 5

Argon absorption desorption (BET)
Average Particle Size, nm a) 65± 5   b) 40± 5   c) 25± 5

Calculated from SSA

Particle Shape Unregular TEM
Crystallographic Phases a-, ß-, X-ray amorphous Si3N4 XRD
Chemical Composition N min. 37,5 Chemical analysis
Sifr max. 1,0 Chemical analysis
C max. 0,05 Chemical analysis
02 max. 2,0 Neutron activation analysis
Metallic Impurities Fe max. 0,05 Chemical analysis
Ca max. 0,05 Chemical analysis
Al max. 0,1 Chemical analysis

Content of metallic impurities is determined by purity of raw material.

Production scale: Lab, Pilot, Commercial

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