聚四氟乙烯垫片是一种非金属垫片，采用优质聚四氟乙烯树脂，添加石墨粉、二硫化钼、高温润滑剂、玻璃纤维等填充改性材料，经压制成型烧结固化而成。使用环境温度-200℃-220℃。石油、化工、制药及食品工业中的一些容器、管道、阀门连接，为保证物料清洁也常常采用聚四氟乙烯垫片进行密封。它广泛应用于各种强酸、强碱、强氧化、氯气和不允污染介质的密封。

Teflon gasket is a kind of non-metalic pad that is formed through compaction, shapingburning and curing with quality polyflon as well as packed modified materials includinggraphite powder, molybdenum disulfide, high temperature lubricant, fiber glass, etcApplicable ambienttemperature:-200℃-220℃,Forconnection of cartain pipes, vesselsand valves in such industries including petroleum, chemical industry, pharmaceuticalfood processing, etc., Teflon pad is utilized as well to ensure hiah cleanness of thesupplies, The product has been widely used for sealing strong acids, strong alkali, strongoxidizers.chlorine,and mediums disallowing.