Flame Retardant Wool Fabric Features Composition: Wool+Nylon+Cotton+Polyester Width: 146 cm Weight: 840 GSM. Density: 27*13(1:1:1) Safety Standards Fire Resistance: Complies with international fire safety standards such as NFPA701, B1, and UIC564-2, offering additional safety assurance. Application Fields This flame-retardant wool-blend fabric is ideal for use in high-speed train cabin seats, carpets, curtains, train seats and curtains, as well as airplane seats. Its use contributes to enhancing the overall fire safety level of these areas.