... food industry,sewage-disposal industry,steel industry,semi-conductindustry and so on. Applied equipment:mechanical sealing,pressure vessel, ... C)Third,anti- compressibility function is very good.Four,long service life.Material:Viton , EPDM,NBR,FFKM,VMQ,PTFE,PU and ... so on (according to your requirements )Operation conditions:Pressure:<=50MPaTemperature:-30°C ~ 200°C rubber O ring cord, PU O ring ...