SIGMA - Conference armchair available on nylon or soft castors. Cold-injected polyurethane foam with inner steel profile frame and special polyurethane inserts for back support. Covering material coupled with polyester padding. Fire retardant inner padding meets “California Bulletin 117A” and “Italian Classe1 IM” Standards. Special foam meeting the 5852 British Standard is available on request. Shaped seat constructed with non-deformable polyurethane foam, and wrapped with polyester wadding. Covers are available in fabric, leather, faux leatheror C.O.M. (preferably in solid colours).