Begoodtex Permanent Flame Retardant Air Duct Fabric is a high-performance technical textile designed specifically for air duct and ventilation systems.Made from 100% inherent flame retardant (IFR) polyester, its FR property is built into the fiber itself—no chemical coating required—ensuring long-lasting and washable fire protection. With a weight of 220 g/m², the fabric offers excellent tensile strength and wear resistance, ideal for long-term duct installations.Multiple functional finishes are available, including: Waterproof: Prevents moisture or condensation penetration Wear-Resistant: Increases durability against air friction Mildew-Resistant: Maintains clean airflow Custom Antibacterial: Suitable for hospitals or cleanrooms Custom GRS Certified: Supports eco-friendly and sustainable production The fabric complies with CA Title 19, NFPA 701, JIS L 1091, and CAN/ULC-S109-14 international fire safety standards.With a width of 150 cm, it’s ideal for custom-made flexible air duct systems used in HVAC, hospitals, industrial ventilation, and cleanroom environments. Q1: What is Permanent Flame Retardant (IFR) air duct fabric?A1: IFR air duct fabric is made from inherently flame-retardant fibers, providing permanent fire protection that remains after washing and prolonged use. Q2: What additional properties are available?A2: Optional waterproof, wear-resistant, mildew-resistant, antibacterial finishes, and GRS eco-certified options are available. Q3: Which FR standards does this fabric meet?A3: It meets CA Title 19, NFPA 701, JIS L 1091, and CAN/ULC-S109-14 international standards. Q4: Where can this fabric be applied?A4: Ideal for HVAC ducts, hospital ventilation, cleanroom systems, and industrial exhaust pipelines requiring durable and safe materials.