Standard SAE AIR4275B 1.2.2021 preview

SAE AIR4275B

Jet Reference Fluid Study for Fuel Tank Sealants

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STANDARD published on 1.2.2021


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The information about the standard:

Designation standards: SAE AIR4275B
Publication date standards: 1.2.2021
SKU: NS-1017107
Country: American technical standard
Category: Technical standards SAE

Annotation of standard text SAE AIR4275B :

This information report covers two distinct projects to formulate Jet Refrence 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 onging changes of this project and included both Type 1 and Type 2 formulations.

SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Standard

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