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Company News About Frequent Heater Maintenance? Si₃N₄ Heater Protection Tubes Last Over 12 Months in Molten Aluminum
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Frequent Heater Maintenance? Si₃N₄ Heater Protection Tubes Last Over 12 Months in Molten Aluminum

2025-05-12
Latest company news about Frequent Heater Maintenance? Si₃N₄ Heater Protection Tubes Last Over 12 Months in Molten Aluminum

In molten aluminum heating systems, metallic or graphite heater protection tubes often suffer from oxidation and corrosion, leading to frequent failures.
The Silicon Nitride Heater Protection Tube provides exceptional durability, featuring flexural strength above 800 MPa, thermal conductivity of 25–30 W/m·K, and superior thermal shock resistance.

Si₃N₄ is non-wetting to molten aluminum and chemically inert, maintaining the purity of the metal during long-term operation.
It can withstand extreme thermal cycling up to 1000°C without cracking, ensuring stable heat transfer and protecting heating elements from direct metal exposure.

Field reports show service life exceeding 12 months, reducing maintenance frequency by 70% and improving heating efficiency by 15%.
The product has become the preferred choice for die casting plants, aluminum foundries, and continuous melting furnaces seeking energy efficiency and reliability.
By preventing contamination and extending service intervals, Si₃N₄ heater tubes deliver both cost savings and consistent process stability in harsh industrial conditions.

Wuxi Special Ceramic Electrical Co.,Ltd
Products

Al2O3 Ceramic

Steatite Ceramics

Silicon Nitride Ceramics

Zirconia Ceramics

Ceramic Evaporation Boat

Silicon Carbide Ceramics

Cordierite Ceramics

zpp@wxspecialcera.com.cn 17351500728
No4 Longshan Road,Xinwu District,Wuxi City,Jiangsu Province
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