The molecular weight of ultra-fine powder of PTFE is only 1% of the general PTFE which not only maintained the excellent performance of original, but also has high crystallinity dispersion,and easy to uniformly mixed with other materials.It is widely used in the synthesis material modification,and can significantly improve the lubricity,wear resistance,non-adhesive and fire retardant of the substrate.It also can be used as rubber ,lubricant grease,printing links, coatings,engineer plastic and other additives and additive