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Silicon Nitride Powder

Silicon Nitride Powder

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Product Details:

  • Purity(%) >99%
  • Water Absorption Negligible
  • Density 3.18 Gram per cubic centimeter(g/cm3)
  • Usage & Applications Manufacture of high-strength ceramics, refractory applications, cutting tools, electronic substrates
  • Application Ceramics, Cutting tools, Bearings, Electronics, High-temperature components
  • Hardness (%) Vickers Hardness ~1550 HV
  • Chemical Composition SiN >99%
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Silicon Nitride Powder Product Specifications

  • >99%
  • Flexural strength 700-1000 MPa
  • Negligible
  • 3.18 Gram per cubic centimeter(g/cm3)
  • 3.18
  • 1530 W/mK
  • Manufacture of high-strength ceramics, refractory applications, cutting tools, electronic substrates
  • Excellent under high temperatures
  • Vickers Hardness ~1550 HV
  • Ceramics, Cutting tools, Bearings, Electronics, High-temperature components
  • Technical Ceramic
  • SiN >99%
  • <1%
  • 1900C to 2200C
  • Special Refractory
  • Powder
  • Powder
  • Fine powder
  • Grey to off-white

Silicon Nitride Powder Trade Information

  • Paypal, Letter of Credit (L/C), Western Union, Telegraphic Transfer (T/T), Cash in Advance (CID), Cheque
  • 45000 Kg Per Year
  • 7 Days
  • Yes
  • Sample costs shipping and taxes has to be paid by the buyer
  • Australia, North America, South America, Eastern Europe, Middle East, Western Europe, Africa, Asia, Central America
  • All India

Product Description

Silicon Nitride Powder

  • MF:                             Si3N4
  • Chemical Name:      Silicon Nitride Powder
  • Purity:                        > 99.99%
  • APS:                            40-50 µm (Size Customization possible)
  • Form                           Micro powder
  • Product Number:     NCZM117
  • CAS Number             12033-89-4


Exceptional Thermal and Mechanical Properties

Silicon nitride powder is engineered for use in demanding applications due to its outstanding flexural strength, high thermal conductivity, and superior refractoriness. Its minimal thermal expansion and excellent oxidation resistance make it a top choice for high-temperature processes and applications requiring dimensional stability.


Versatile Industrial Applications

This powders unique combination of properties makes it suitable for manufacturing high-strength ceramics, refractory products, cutting tools, electronic substrates, and bearings. Its fine particle size and high purity ensure reliable performance, whether used in specialized manufacturing, electronics, or as a material in advanced engineering solutions.


Storage and Handling Recommendations

To maintain the materials integrity, keep silicon nitride powder in a cool, dry place, tightly sealed against moisture and contamination. When stored under the recommended conditions, it offers a shelf life of 1224 months, preserving its high quality and performance for various industrial applications.

FAQs of Silicon Nitride Powder:


Q: How should silicon nitride powder be stored to maintain its quality?

A: Silicon nitride powder should be kept in a tightly sealed container in a cool, dry environment to prevent moisture and contamination. Proper storage ensures it retains its properties throughout its 1224-month shelf life.

Q: What are the primary industrial uses of silicon nitride powder?

A: This powder is primarily used in the manufacture of high-strength ceramics, cutting tools, electronic substrates, high-temperature components, and bearings. Its properties make it ideal for refractory applications and industries requiring high durability and thermal resistance.

Q: What advantages does silicon nitride powder offer in high-temperature applications?

A: It provides excellent dimensional stability, high strength, and oxidation resistance up to 1400C, as well as a refractoriness under load (RUL) above 1700C. These characteristics make it highly suitable for components exposed to extreme heat.

Q: Is silicon nitride powder safe and non-toxic to handle?

A: Yes, under normal handling conditions, silicon nitride powder is non-toxic and poses no significant health risks. However, standard safety equipment is recommended to avoid inhalation of fine powder.

Q: How does the low thermal expansion coefficient benefit users of silicon nitride powder?

A: The low thermal expansion coefficient (2.8 10/K) contributes to excellent dimensional stability, which is crucial for components that must maintain precise tolerances during rapid temperature fluctuations.

Q: What is the typical color and appearance of silicon nitride powder?

A: The powder ranges from grey to off-white and features a fine, uniform texture due to its small particle size and high purity.

Q: What certification supports the quality of this silicon nitride powder?

A: The powder is produced under ISO 9001:2015 certified processes, ensuring strict quality control and consistent performance for industrial users.

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