What kind of material should be used for the sealing ring of diesel fuel filter, what specific requirements should be made?
Oil resistant rubber with low coefficient of thermal deformationHigh machining accuracy, good surface finishFor example, currently the best Duffett filter sealing ring, all imported from Japan
The proportion of reclaimed rubber oil resistant rubber natural rubber proportion is a little bigger now some seals do not prefect rules with great attention to distinguish.
Usually, the material of the sealing ring is made of oil resistant rubber - the specific requirements - when the installation is coated with a layer of oil as well, so as not to damage the replacement filter... Please feel free to ask questions
