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Silicon Nitride Thermocouple Sheath

Our Silicon Nitride Thermocouple Sheath is engineered to shield thermocouples in extreme industrial environments. The silicon nitride tube design delivers top-tier performance in molten aluminium, zinc, copper and glass furnace operations. This advanced ceramic protection tube ensures accurate temperature monitoring and long-term durability.

Description

Silicon Nitride Thermocouple Sheath

Premium Ceramic Sheath for Thermocouple Protection in Molten Metal Applications

Key Features

Exceptional Thermal Shock Resistance

With its low thermal expansion coefficient, our silicon nitride tube can withstand rapid temperature changes without cracking - ideal for demanding thermal cycling environments.

01

High Mechanical Strength

Maintains structural integrity under extreme mechanical stress and high temperatures, outperforming traditional ceramic tubes such as alumina and silicon carbide.

02

Corrosion & Erosion Resistant

Designed to resist chemical attacks and slag build-up in molten aluminum, zinc, copper, and other non-ferrous metal environments.

03

Extended Service Life

Longer lifespan reduces replacement frequency and overall maintenance costs, helping customers achieve lower total cost of ownership.

04

Excellent Insulation Properties

High electrical resistance ensures accurate temperature readings and safe operation even in harsh working conditions.

05

 

Why Choose Silicon Nitride for Thermocouple Protection?

 

Thermocouples are crucial for accurate temperature control in metal processing. However, failure due to tube cracking, chemical erosion, or thermal fatigue is common with conventional materials.
Our silicon nitride thermocouple protection tube solves these issues by offering:

Increased process reliability

Reduced downtime and replacement frequency

Enhanced safety and product quality

 

Common Applications

 

Molten aluminum, copper, and zinc processing

 

01

Metal casting and smelting

 

02

Glass melting furnaces

 

03

Foundry temperature monitoring systems

 

04

Technical Specifications

Property Value
Material Silicon Nitride (Si₃N₄)
Max Working Temperature 1400–1500°C
Thermal Conductivity >15 W/m·K
Density ~3.2 g/cm³
Corrosion Resistance Excellent (Molten Metals, Slag, Oxidation)

 

 
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