Effects of Alcohol Extended Fuels on the Rate of Fuel Hose Permeation 880709

The type of alcohol used as an extender for gasoline and the percentage of alcohol by volume has the ability to double or triple the rate of fuel permeation through a fuel hose. Rate of permeation of alcohol extended fuel also varies with the type of fuel hose, being a function of the materials used in hose construction. The rate of fuel permeation, comparing Reference Fuel C with three types of alcohol extended blends of Reference Fuel C, was obtained by using the closed reservoir test method for fuel hose types SAE J30R9, J30R8 and J30R7.


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