Pure PTFE Packing is a pure PTFE fiber yarn braided into the square cross-section and impregnated with PTFE dispersion. High cross-sectional density and structural strength. It is designed for valves and lower shaft speed application under medial pressure in food processing, pharmaceuticals, paper mills, fiber plants where high purity and corrosion resistance is required. PTFE packing can be also treated with lubrication, it is an economic type.