Rate of Fuel Permeation -Test Procedure Study 820406

A test procedure, simulating service conditions, has been developed for determining the Rate of Fuel Permeation through small bore fuel hoses. This new procedure is compared to a currently used “plugged hose” test method in a series of tests involving two fuel blends and four types of fuel hoses.
Changes occurring in the test assemblies, including the composition of the fuel, during the test period are examined. These changes bring into question the validity of data obtained using the “plugged hose” test method.


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