Specification: Description:Multi-yarn packing, the corners of packing are made of aramid yarns impregnated with PTFE, while the friction faces are made of pure PTFE yarns. This structure enhances the lubrication ability of aramid fiber and improves the strength of the pure PTFE. CONSTRUCTION: HY-S684AZ White PTFE & Aramid in Zebra Braided Packing Multi-yarn in zebra braided packing consisting of pure PTFE and araimid, lubricated with silicone oil. APPLICATION: Designed for high pressure reciprocating pumps, medium speed centrifugals and valves. It can be used for general service steam, gases, solvents, mild acids, alkalis and most abrasive liquids. The packing will not stain in pulp & paper mill, pharmaceutical, food and sugar industries