Flame Retardant Polyester fiber is made with a new generation of flame retardant technology. The Limited Oxygen Index (LOI) of Flame Retardant Polyester fiber is more than 32%. It enables the fabrics, made with FR Polyester, decrease the flammability and slow down the spread of flame. FR Polyester is used in decorative textiles in aviation, aircrafts, railways, bus, interior decorative textiles in bedding, high buildings.