Nov 27, 2019 / Smith torch o rings #11 R radios1 Elite Member Joined May 3, 2018 Messages 2,772 Location Long Island New York Tractor john deere la145 Fallon said: Many materials spontaneously combust in the presence of pure oxygen. Any grease that isn't certified to be oxygen safe is really likely to do so. Click to expand... o rings are made from Silicone rubber, so Silicone grease or Silicone oil is ok.. petroleum free Teflon is good too.. it's the petroleum products that combust..
Fallon said: Many materials spontaneously combust in the presence of pure oxygen. Any grease that isn't certified to be oxygen safe is really likely to do so. Click to expand... o rings are made from Silicone rubber, so Silicone grease or Silicone oil is ok.. petroleum free Teflon is good too.. it's the petroleum products that combust..