Silicone Rubber Oil Hose Development

Silicone rubber oil hose has been developed for use in automobile and truck engines. Fabrication of this hose is an outgrowth of coolant hose technology. Four silicone rubber formulations for oil hose fabrication are described, each of which have the required hot oil resistance. Each offers various optional secondary properties. The results from laboratory tests indicate a greatly extended service life for all of these formulations, as compared to the life of organic rubber formulations.