A Testing Equipment for Measuring Fuel Permeability of Plastic Fuel Line Tubing

Paper #:
  • 910394

Published:
  • 1991-02-01
Citation:
Weber, A., Hubold, J., Müller, J., and Linster, J., "A Testing Equipment for Measuring Fuel Permeability of Plastic Fuel Line Tubing," SAE Technical Paper 910394, 1991, https://doi.org/10.4271/910394.
Pages:
9
Abstract:
An easily implemented laboratory method for measuring fuel-permeability through plastic tubes, while controlling fuel temperature and pressure independently, is presented. This is achieved with a recirculating system in which fuel permeated through the tubing wall is evaporated and collected by a controlled flow of nitrogen and absorbed in activated carbon.A formula is given by which fuel-permeability under standard conditions of temperature and pressure can be predicted for plastic parts of any shape and thickness. A particular embodiment of the test equipment allows, in addition, the measurement of tube length change under the same experimental conditions.
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