... with professional Technical R&D; one fabric factory mainly doing Flame Retardant (Proban, Pyrovatex,Aramid,Modacrylic,Frecotex), Anti-acid, Anti-static, and ... .EN531.EN 533.EN471. Oeko-tex 100 NFPA2112 etc.)b) Flame retardant coverall(EN11611:2007.EN11612:2008 A1+A2 B1 C1 E3 ...