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Company News About Extending Equipment Lifespan and Efficiency — Silicon Nitride Heater Protection Tubes Overcome High-Temperature Aging Issues
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Extending Equipment Lifespan and Efficiency — Silicon Nitride Heater Protection Tubes Overcome High-Temperature Aging Issues

2024-04-15
Latest company news about Extending Equipment Lifespan and Efficiency — Silicon Nitride Heater Protection Tubes Overcome High-Temperature Aging Issues

In aluminum heating and reduction furnaces, customers frequently report oxidation, deformation, and short service lifeof metal heater tubes. Uneven heat transfer often leads to inefficient melting and unstable temperature control.

The silicon nitride ceramic heater protection tube addresses these high-temperature aging problems. Using hot-isostatic pressing (HIP) technology, it achieves high density and superior thermal conductivity. Its non-porous, chemically stable surface completely prevents corrosion from molten aluminum or copper, maintaining strength even above 1000 °C — up to five times longer service life than metal tubes.

These protection tubes enable fast, uniform heating and precise temperature control, reducing energy consumption and avoiding heat-fatigue cracking. Customers report smoother operation and fewer shutdowns, directly translating to higher productivity.

In practical use, aluminum systems equipped with Si₃N₄ protection tubes show 15 % improvement in temperature uniformity and more than double maintenance intervals. For foundry and metallurgical equipment manufacturers, this upgrade means lower operational cost and greater reliability.

Wuxi Special Ceramic Electrical Co.,Ltd
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Al2O3 Ceramic

Steatite Ceramics

Silicon Nitride Ceramics

Zirconia Ceramics

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