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Silicon Nitride (Si3N4)-Powder
  • Silicon Nitride (Si3N4)-Powder

Silicon Nitride (Si3N4)-Powder

Silicon nitride is a chemical compound, chemical formula Si3N4, submicron and nanopowder forms may be considered for industrial and application purpose. The appearance of Silicon nitride is white powder. It mainly applied as high grade refractory, such as si3n4-sic refractory combined with sic for blast furnace body and other parts.
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Silicon Nitride (Si3N4)-Powder introduce:

About Silicon Nitride:

Silicon nitride with CAS 12033-89-5 is a chemical compound of the elements silicon and nitrogen. Si3N4 is the most thermodynamically stable of the silicon nitrides. Hence, Si3N4 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. 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 has a high thermal stability.

Specifications and properties of Silicon Nitride:

Chemical formula:Si3N4
Molar mass:140.283 g·mol−1
Appearance:grey, odorless powder
Density:3.17 g/cm3
Melting point:1,900 °C (3,450 °F; 2,170 K)
Solubility in water:Insoluble
Refractive index (nD):2.016

Application of Silicon Nitride:

Silicon nitride is used as high grade refractory, such as si3n4-sic refractory combined with sic for blast furnace body and other parts;If combined with BN as si3n4-bn material, used for horizontal continuous casting separation ring.Si3n4-bn series horizontal continuous casting separation ring is a kind of fine structure ceramic material with uniform structure and high mechanical strength.Good resistance to impact, and will not be wetted by molten steel, in line with the continuous casting process requirements.

Used for preparation of thermal interface composite materials, photovoltaic demultifier, phosphor powder, preparation of special ceramics.

Storage Condition of Silicon Nitride Powder:

Damp reunion will affect Silicon Nitride powder dispersion performance and using effects, therefore,Silicon Nitride Powder should be sealed in vacuum packing and stored in cool and dry room, the Silicon Nitride Powder can not be exposure to air. In addition, the Silicon Nitride powder should be avoided under stress.

Packing & Shipping of Silicon Nitride Powder:

We have many different kinds of packing which depends on the Silicon Nitride Powder quantity.

Silicon Nitride Powder packing:vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.

Silicon Nitride Powder shipping:could be shipped out by sea , by air, by express as soon as possible once payment receipt.


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