Si3N4 Silicon Nitride Ceramic Tube

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Product Overview

Description



Material Introduction


Silicon Nitride (Si3N4) has the most versatile combination of mechanical, thermal, and electrical properties of any technical ceramic material. It is a high performance technical ceramic that is extremely hard and has exceptional thermal shock and impact resistance. It surpasses most metals high temperature capabilities and has a superior combination of creep and oxidation resistance. Additionally, its low thermal conductivity and high wear resistance make it an excellent material that can withstand the toughest of conditions in the most demanding industrial applications. Silicon Nitride is an excellent choice when high-temperature and high-load abilities are needed.


Product Features


√ low density, low weight
√ greatly electrical insulation
√ non-wetting to non-ferrous metals
√ high hardness, high wear resistance
√ low coefficient of thermal expansion
√ outstanding resistance to thermal shock
√ maximum service temperature up to 1,200 °C
√ superior corrosion resistance to molten metals


Applications




Material Properties


ITEM
UNIT
Silicon Nitride | GPSN
Main Content
-
Si3N4>95%
Color
-
Black
Density
g/cm3
3.22
Vickers Hardness
Gpa
15
Flexural Strength
Mpa
580
Compressive Strength
Mpa
2,100
Electrical Resistivity
Ω·cm
>1012
Dielectric Strength
KV/mm
19
Dielectric Constant
1 MHz
9.6
Thermal Conductivity
W/m.K
27
Max. Working Temperature
℃ / °F
1,200 / 2,200
Resistance to Thermal Shock
△T(℃)
750
Thermal Expansion Coefficient (25 - 1,000 ℃)
10-6/K
3 - 4


About Us


UNIPRETEC is a representative technical ceramic company in China. Relying on the technical team with more than 10 years of experience and the cooperation of well-known domestic colleges and institutions, our company covers the manufacturing and sales of oxide, nitride and carbide ceramic products. Based on the research in the advanced ceramic industry, our company is good at providing suitable products and suggestions flexibly according to customers' applications and needs. For many years, our company has focused on meeting the needs of customers from all over the world. Many praises from customers and partners have been encouraging UNIPRETEC to move forward and develop.




"Simple things into very complex, can find new areas; Read the complex phenomenon is very simple, can be found that the new law." - - - - - -Isaac Newton


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