Features of Spiral Duct:
1. Smooth surface, free of zinc nodules and burrs, with a silvery white appearance.
2. Easy installation, with fewer connection points.
3. Low air resistance and ventilation noise.
4. Good strength and rigidity.
5. Thickness is fully adjustable, ranging from 5 to 107μm, choose as desired.
6. Free from hydrogen embrittlement and temperature hazards, ensuring the material maintains its mechanical properties.
7. Can replace some hot-dip galvanizing processes.
8. Excellent corrosion resistance; neutral salt spray test for 240 hours.
9. Hot-dip galvanized for application in environments with strong corrosive agents such as various strong acids and alkaline mists.
10. We offer custom-designed and made ductwork in various specifications to meet customer requirements.