PPS bag is a high temperature resistant Synthetic fiber. It has excellent heat resistance. In addition, its flame retardancy, chemical resistance, and dimensional stability are also extremely outstanding, possessing various characteristics as high-performance fibers. It can continuously withstand a temperature of 190 ℃ and resist the chemical corrosion of many acids, alkalis, and oxidants. Typical applications are pulse bag filters used in municipal waste incinerators, utility boilers, coal fired boilers, hospital incinerators, and Cogeneration boilers.