What is ISO 6249 about?

ISO 6249 specifies a procedure for rating the tendencies of gas turbine fuels to deposit decomposition products within the fuel system. The test results are indicative of fuel thermal oxidation stability during gas turbine operation and can be used to assess the level of deposits that form when liquid fuel contacts a heated surface at a specified temperature. ISO 6249 is applicable to middle distillate and wide-cut fuels, with a particular focus on aviation gas turbine fuel performance. ISO 6249 is also applicable to aircraft fuel that consists of conventional and...

BS ISO 6249:2021 PDF

Abstract

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