PTFE packing with acrylic polyacrylonitrile composite fiber by weaving together to enhance treatment, and then impregnated PTFE emulsion. Since it has good lubricity, flexibility, abrasion resistance, erosion resistance, long life and good sealing performance. After the increase, such as silica core compensation to better compression performance, is the fine asbestos alternatives.

       Widely used in rotating shaft conversion, papermaking and food processing industries.