It is one of the PPS fiber products series. It owns outstanding performances of chemical resistance, thermo stability in high temperature condition, flame retardant, non-conducting, radiation resistance, etc. Therefore, it is called special functional fiber. Besides this, it is easy to card and has low thermal shrinkage rate.

It is mainly used to make nonwoven fabric. Generally it can be single or blended weaved according to different requirement to make different kinds of products. Such as: filter fabric of coal fired boiler, fabric of paper-making machine, electrolytic diaphragm, filtering material of liquid/gas, special functional packing material and filtering material. Now, it is mainly used to make filtering bags for coal fired power station. And it is regarded as the most reliable filtering material with highest capability/price Ratio in the environment protecting industry in the world.