1,cotton flame retardant twill for fire work 2,weight:150-400g 3,finished by proban ... timesStandardEN470-1(EN11611), EN531(EN11612),EN533, NFPA2112, ASTMD6413FLAME RETARDANT TEXTILE1,permanent flame retardant2.comfortable and no pilling 3. ... 100% Cotton Flame Retardant Fabric, CVC Flame Retardant Fabric, C/N Flame Retardant Fabric,Flame Retardant & Anti-static Fabric, Flame Retardant & Teflon Fabric, ...