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Jet Reference Fluid Study for Fuel Tank Sealants
This information report covers two distinct projects to formulate Jet Reference Fluids (JRF) for testing of material compatibility.
The first effort began in 1978 and focused on producing a formulation (JRF-2) that simulated JP-4 and included composition with metallic ions that reproduced chalking of fuel tank sealants. This effort resulted in the preparation of AMS2629 that defined the formulation of JRF-2 (Type 1) and the same formulation with metallic ions (Type 2).
The second effort began in 2002 and focused on preparing a JRF that simulated Jet A, JP-5, and JP-8. This effort went through multiple iterations, but eventually resulted in a JRF-3 formulation composed of Jet A plus military additives spiked to 25% aromatic content and high levels of sulfur experienced in the global fuel supply.
Since the metallic ions added to JRF-2 demonstrated their ability to simulate a chalking reaction, chalking was not tested with the ions added to JRF-3. AMS2629 was changed multiple times to reflect the ongoing changes of this project and included both Type 1 and Type 2 formulations.
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