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NSiC Electric Heating Protection Tubes: The Ultimate Barrier for Molten Zinc Applications

✅ Built to Survive the Harshness of Molten ZincOur NSiC (Nitride Bonded Silicon Carbide) protection tubes are purpose-engineered for electric heating elements in hot dip galvanizing, zinc alloy die-casting, and zinc smelting, providing robust, long-lasting protection against corrosion and thermal shock.

🚀 Key Benefits & Application Scenarios

1, Unmatched Corrosion Resistance to Molten ZincNSiC is chemically inert to molten zinc, resisting wetting and reaction. Unlike metal tubes that quickly erode, these tubes withstand prolonged immersion, eliminating frequent replacements.

Ideal for: Continuous hot-dip galvanizing lines and galvanizing kettles operating at ~460°C. They last 5-10 times longer than traditional stainless steel tubes.

2, Superior Thermal Shock & High-Temperature StrengthThe material maintains its strength at high temperatures and offers exceptional thermal shock resistance, surviving rapid heating/cooling cycles without cracking or breaking.

Ideal for: Zinc alloy die-casting holding furnaces and batch melting furnaces that undergo daily startups and shutdowns.

3, High Thermal Conductivity for Energy EfficiencyExcellent heat transfer efficiency ensures faster, more uniform heating of the zinc bath, reducing energy consumption and preventing hotspots on the heating elements.

Ideal for: Large-scale zinc smelting refining furnaces, where even temperature distribution is critical to reduce oxidation and energy costs.

4, Electrical Insulation & Low-Maintenance DesignNSiC provides reliable electrical insulation, preventing short circuits. Its non-wetting surface resists zinc buildup, simplifying maintenance.

Ideal for: All electric zinc furnaces, from galvanizing kettles to die-casting holding furnaces, ensuring safety and reducing downtime.

💡 Technical Highlights

Max Service Temp: Up to 1200°C

Chemical Stability: Resistant to molten zinc and zinc alloys

Mechanical Strength: High hardness and wear resistance

Customization: Available in custom lengths, diameters, and flange designs

Upgrade your molten zinc heating system with NSiC protection tubes for maximum uptime, safety, and cost savings.

Contact LENGSTech today!

www.lengstech.com

info@lengstech.com

WA:+86 13930552202

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