... silicone seal pads: 1. Any design and color are available. 2. Good quality and reasonable price FDA grade silicone seal ... gas compressor,reaction vessel,heatexchanger,boiler,filter and so on.Main advantage:First,excellent anti-chemical character.It almost applies to ... service life.Material:NBR,FFKM,VMQ,PTFE,PU and so on (according to your requirements )Operation conditions:Pressure:<=50MPaTemperature:- ...