Silicon nitride ceramic

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Silicon nitride is a chemical compound of the elements silicon and nitrogen, with the formula Si
3N
4. It is a white, high-melting-point solid that is relatively chemically inert, being attacked by dilute HF and hot H
2SO
4. It is very hard (8.5 on the mohs scale). It is the most thermodynamically stable of the silicon nitrides. Hence, Si
3N
4 is the most commercially important of the silicon nitrides and is generally understood as what is being referred to where the term "silicon nitride" is used.

Silicon Nitride Ceramic Components Applications:
Automotive
Ceramic Bearing
Medical
Cutting tools
Electronics
...