We are offering pure ptfe packing. this is braided from pure ptfe fibres this packing designed to withstand all types of chemicals under severe conditions. service conditions: f00d-grade applications where contamination must be avoided. Seals concentrated acids, alkalis, corrosive gases and pharmaceutical industries. technical specifications : temperature -225°c to 275°c ph range 0-14 pressure upto 350 bar velocity 0-20 m/s density 1.4 to 1.6