1. Industry-Leading Fire Performance
·120-minute fire resistance rating (2 hours)
·A1 non-combustible according to international standards
·Fully compliant with GB/T 17428-2009 (Ventilation Duct Fire Resistance Test Method)
·Maintains structural integrity during fire emergencies, ensuring safe evacuation
2. Superior Corrosion Protection
·Both inner and outer surfaces use high-quality embossed color-coated steel
·Excellent resistance to moisture, humidity, and chemical corrosion
·Ideal for basements, underground parking lots, and industrial environments with high humidity
·Eliminates the need for additional anti-corrosion coatings, reducing maintenance costs
3. Exceptional Sound Insulation & Noise Reduction
·Microporous polymer core effectively absorbs and blocks airborne noise
·Unique diamond-patterned embossed steel surface eliminates the need for internal reinforcing ribs
·Reduces structural resonance and vibration-induced noise
·Creates quieter indoor environments in commercial and residential buildings
4. Excellent Thermal Insulation
·Core material thermal conductivity: 0.025 W/(m·K)
·Insulation performance equivalent to 30-50mm thick glass wool
·Prevents condensation on duct surfaces
·Reduces energy loss in HVAC systems
5. Lightweight Design for Cost Savings
·Only 1/4 the weight of traditional galvanized steel ducts of the same size
·Reduces structural load on buildings
·Requires fewer and lighter lifting materials
·Can be installed by just 2 workers, significantly cutting labor costs
·Complies with GB 50981-2014 (Code for Seismic Design of Building Mechanical and Electrical Engineering)
·Saves costs on seismic support hangers
6. High Structural Strength
·Withstands wind pressure up to 3000 Pa
·Suitable for high, medium, and low-pressure ventilation systems
·Impact resistance comparable to traditional iron sheet ducts
·Superior to inorganic FRP ducts
·Resists damage during cross-construction activities
7. Low Material Waste & High Efficiency
·Customizable lengths from 900mm to 6000mm to match project requirements
·Minimizes cutting waste during fabrication
·Faster production and installation compared to traditional duct systems
8. Easy Fabrication & Installation
·Can be cut with hand tools or utility knives
·Uses snap-on metal alloy flanges for quick assembly
·No need for reserved construction space during installation
·Reduces building height requirements, saving overall construction costs
·Increases usable floor space in buildings
·Shortens project timelines significantly