Product Features
Pass 3,000 hour durability deterioration test;
Outstanding tearing strength for welding;
Good strength, good flexibility and strong tear resistance;
Fireproof, and waterproof;
Cold Crack Resistance
Anti-mildew, anti-bacteria, anti-corrosion, anti-UV;
Best color fastness;
Anti-static (optional) : surface resistivity : less than 3×108ohm;
Flame retardant(optional) : NFPA-701, B1, B2 or M2
Our Advantages
Use high quality raw materials to ensure product quality;
Being engaged in the field of ventilation system for more than 30years, have rich experience in ventilation design;
Cooperate with several research institutes and have the latest technology;
Several automatic ducting welding production lines with a monthly output of 20,000 flexible ventilation tubes with assured batch order lead time;
PVC ventilation tubes are available in custom sizes to ensure a perfect fit for your requests;
The spiral ventilation duct is coupled with zipper and Velcro. The extra fabric on which the zipper/Velcro is sewed is welded to the flexible duct body to ensure that there are no sewing needle eyes throughout the ducting, reducing air leakage.
