Thermocouple Protection Tube
Silicon nitride thermocouple protection tube have high-temperature stability: they can operate for a long time at 1200°C to 1400°C and can withstand up to 1800°C for a short period, which is superior to most metals and ceramics (such as alumina).
Silicon nitride materials thermal shock resistance: The combination of a low coefficient of thermal expansion (3.2×10⁻⁶/°C) and high thermal conductivity (15-30 W/m·K) enables it to withstand drastic temperature changes.
Silicon nitride materials chemical inertness: Resistant to acid and alkali corrosion (especially to molten metals, salts and strong acids), stable in oxidizing and reducing atmospheres, and forms a SiO₂ protective layer on the surface to delay further oxidation.
Silicon nitride materials mechanical properties: High hardness (~1500 HV), flexural strength (>700 MPa) and wear resistance, suitable for particle scouring or mechanical impact environments.
The application scenarios of silicon nitride thermocouple protection tube:
Extreme high-temperature environments: such as metallurgical furnaces, glass melting furnaces, and semiconductor crystal growth equipment.
Corrosive media: Chemical reactors, molten salt electrolytic cells, nuclear reactor cooling systems.
Dynamic thermal shock: Aerospace engine testing, rapid heat treatment (RTP) equipment.
Silicon nitride thermocouple protection tube regular Specification
A variety of products size can be customized according to user.
Practical application cases of silicon nitride thermocouple protection tube:
Steel industry: Temperature monitoring of continuous casting molds, resistant to molten steel sputtering and high temperatures.
Photovoltaic industry: Temperature measurement in polycrystalline silicon ingot furnaces to resist corrosion of silicon melt.
Automobile testing: Engine exhaust temperature monitoring to cope with rapid thermal cycling.
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Our company operates a self-owned production facility spanning 10,000 square meters. Relying on the local industrial advantages of Zibo city, our company specializes in the production of advanced ceramic materials, including technical ceramics, wear-resistant ceramics, ceramic filters plates etc.
Our team has rich experience in the ceramics materials industry,we use the most professional knowledge to help you solve any problems encountered in the ceramics materials industry.
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