Applied industry Extensively used in chemical industry, petroleum industry, medical technique, food industry, sewage-disposal industry, steel industry, semi-conduct industry and so on. Applied equipment Mechanical sealing, pressure vessel, air compressor, reaction vessel, heatexchanger, boiler, filter and so on. 

Main advantage：1.excellent anti-chemical character. It almost applies to all mediums. 2.temperature range is very wide. 3.anti oil function is very good. 4.long service life.