Tongfa Abrasives Commercial Co.,Ltd

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Silicon Nitride


Silicon nitride, formula Si3N4, is a chemical compound of the elements silicon and nitrogen. It is a white, high-melting-point solid that is relatively chemically inert, being attacked by dilute HF and hot H2SO4. It is very hard (8.5 on the mohs scale). It is the most thermodynamically stable of the silicon nitrides. Hence, Si3N4 is the most commercially important of the silicon nitrides[3] and is generally understood as what is being referred to where the term “silicon nitride” is used.


Refractories, Tamping Plug;

Non-ferrous smelting;

Steel Making;

Coating, Ceramic Tools;

Chemical Specification: 

Available Sizes:

-325 mesh, 1μm, 2μm, or any other sizes by customer’s requirement.

Packing way:

25kgs/bag or 1000kgs / big bag or by customer’s request.

Our Esteemed Customers:

For our Abrasive Materials, we supply to Saint-Gobain and CUMI (Carborundum Universal,India) etc.

For our Refractory Materials, we supply to Calderys and Saint-Gobain Ceramics etc.

We hope to be supplier of yours too.

Contact us for more information and price :

Notes: In order to prevent dust emission and air pollution, please ensure the sealing and integrity of the product packaging during transportation and storage; please ensure that the product is used under the condition of equipped with dust-proof articles and installed with dust removal device.