Puwei’s silicon carbide (SiC) furnace tubes are designed to deliver exceptional performance in extreme thermal environments, making them ideal for high-temperature and ultra-high-temperature applications across multiple industries.
Typical Applications
- External heating tubes providing controlled working environments
- Kiln tubes and kiln furniture for continuous operations
- Vacuum furnace components requiring high airtightness
- Internal liners for electric furnaces and kilns above 1400 °C
- Corrosion-resistant liners for tubular heating furnaces, sintering furnaces, and reaction furnaces
Key Features & Advantages
1.Outstanding High-Temperature Resistance
Operates up to 1700 °C in air and 1950 °C under nitrogen or argon protective atmospheres.
2.Excellent Gas Tightness
Leak-proof up to 31 MPa from room temperature to 1000 °C, meeting vacuum process requirements.
3.High-Purity SiC Material
With >99% silicon carbide content, Puwei furnace tubes ensure zero material contamination.
4.Superior Corrosion & Wear Resistance
Maintains structural integrity and stability even under harsh, corrosive atmospheres.
5.Exceptional Thermal Shock Performance
High thermal conductivity enables rapid heating and cooling cycles without cracking.
Customized Solutions
Puwei specializes in producing tailor-made silicon carbide furnace tubes based on specific customer requirements:
- Outer diameter up to **350 mm
- Length up to 2000 mm
- Larger dimensions available through advanced ceramic welding techniques
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