Shale JP-4 Additive Evaluation
Final rept. Sep 1983-May 1985
AIR FORCE WRIGHT AERONAUTICAL LABS WRIGHT-PATTERSON AFB OH
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A shale JP-4 jet fuel was obtained from the Caribou Refinery of Woods Cross UT as the test fuel. Combinations of additives in varying concentrations were blended to make the test samples. The thermal and storage stability, lubricity, conductivity and water separation characteristics of the samples were studied over 15 months. The additives chosen were nine antioxidants, at the minimum and two times the maximum concentration, and four corrosion inhibitors, at the minimum and maximum concentration. The limits were set by the JP-4 specification. Other additives in the test program were Fuel System Icing Inhibitor FSII, anti-static additive, JFA-5 and metal deactivator. Five-gallon test samples were stored for 15 months antioxidant samples in a 110 F oven and corrosion inhibitor samples in 70 F - 80 F room storage. Two drums of fuel containing FSII, anti-static additive, and maximum antioxidant and corrosion inhibitor were stored at other conditions, one in cold storage and one at ambient conditions outdoors. Keywords Shale JP 4 A antioxidants Corrision inhibitor Fuel Lubricity Fuel additives Fuel system Icing Inhibitors Metals Deactivator.