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Silicon Nitride Tube

Silicon Nitride Tube

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SI3N4 protector tube

Silicon Nitride Tube is a type of ceramic tube made from silicon nitride (Si3N4) material. It is known for its excellent thermal shock resistance, high strength, and hardness. Silicon nitride tubes can be used in a variety of high-temperature applications, including furnace and heating elements, as well as in chemical and industrial processing.

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Product Description

Features & Benefits

  • High-temperature strength: Silicon nitride tubes can withstand high temperatures up to 1800°C (3272°F).
  • Excellent thermal shock resistance: Silicon nitride tubes can withstand rapid temperature changes without cracking or breaking.
  • High wear resistance: Silicon nitride tubes have excellent wear resistance, making them ideal for use in harsh environments.
  • Good chemical resistance: Silicon nitride tubes are highly resistant to many chemicals and can be used in aggressive chemical environments.

Markets & Applications

  • High-temperature furnaces: Silicon nitride tubes are commonly used in furnaces for heat treatment, sintering, and annealing processes.
  • Chemical and industrial processing: Silicon nitride tubes can be used in chemical and industrial processes that require high-temperature and chemical resistance.
  • Aerospace: Silicon nitride tubes are used in the aerospace industry for applications such as jet engine components and rocket nozzles.
  • Semiconductor manufacturing: Silicon nitride tubes are used in semiconductor manufacturing for processes such as chemical vapor deposition (CVD) and plasma etching.
Properties Values
Density 3.2-3.3 g/cm³
Young's Modulus 200-300 GPa
Poisson's Ratio 0.26
Flexural Strength 500-1000 MPa
Compressive Strength 3000-4000 MPa
Fracture Toughness 6-8 MPa·m^0.5
Thermal Conductivity 20-200 W/m·K
Thermal Expansion 2.5-3.2 x 10^-6 K^-1
Maximum Service Temp 1200-1400 °C (in air)
Dielectric Constant 7-10
Resistivity 10^14-10^18 Ω·cm

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Alumina Ceramics Zirconia Ceramics Silicon Carbide Ceramics Aluminum Nitride Ceramics Boron Carbide Ceramics Boron Nitride Ceramics (BN) Pyrolytic Boron Nitride (PBN) Silicon Nitride (Si3N4) Ceramics Beryllium Oxide Ceramics Mullite Ceramics GaN Ceramics Graphite Quartz Tugnsten Carbide

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