UTECRUBBER-F is an elastomer based on fluororubber(Viton®)with outstanding resistance to high temperatures, weathering,ozone and many chemicals.UTECRUBBER-F is compatible with mineral oils and greases containing sulphur, HFD fluids, crude oil and sour gas.lt is not resistant to anhydrous ammonia,amines,ketones,esters,hot water(steam)and low molecular weight organic acids.