1. Pure PTFE Gland Packing is made of 100% white expanded PTFE yarn. It contains no impregnant , has no lubricant, and has no finish treatment. 2. Pure PTFE Gland Packing is designed for use in valves, but can be also used in other low speed services. 3. Pure PTFE Gland Packing is fast and simple to install, with minimum maintenance requirements. Pure PTFE Packing can be adjusted very finely and reduced to extremely low levels. 4. Pure PTFE Gland Packing is in high chemical resistance, very low coefficients of friction. 5. Pure PTFE Gland Packing is suitable for valves and pumps used in food processing, pharmaceuticals, paper mills, fiber plant, where high purity and corrosion resistance is required.