Laboratory Evaluation of Nitrile Fuel Tank Materials (Phase 2)

We have evaluated seven candidate nitrile-coated fabrics for use in collapsible fuel storage containers that we received from four suppliers, Bulk Liquid Storage Systems (BLSS), Avon Engineered Fabrications (AEF), Berg Inflatable Systems (BIS) and Dunlop Corporation. Four of the materials BLSS, Berg...

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Bibliographic Details
Main Authors: Sloan, James M, Flanagan, David, Deschepper, Daniel, Touchet, Paul, Feuer, Henry
Format: Report
Language:English
Subjects:
ADHESION
BREAKING STRENGTH
COATED FABRIC SEAMS
COATED FABRICS
COATINGS
Coatings, Colorants and Finishes
DEAD LOAD SHEAR RESISTANCE
DIFFUSION
DUNLOP FABRIC SEAMS
Elastomers and Rubber
FABRICS
FUEL CONDITIONING
FUEL DIFFUSION
FUEL TANKS
Fuels
HIGH TEMPERATURE
JET ENGINE FUELS
Mechanics
MILITARY SPECIFICATIONS
NITRILES
PEEL ADHESION
PUNCTURE RESISTANCE
RESISTANCE
SHEAR STRENGTH
SPECIFICATIONS
STIFFNESS
STRENGTH(MECHANICS)
TEAR STRENGTH
TEST AND EVALUATION
TORSION
TORSIONAL STIFFNESS
WATER
WATER CONDITIONING
WEIGHT
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Summary:We have evaluated seven candidate nitrile-coated fabrics for use in collapsible fuel storage containers that we received from four suppliers, Bulk Liquid Storage Systems (BLSS), Avon Engineered Fabrications (AEF), Berg Inflatable Systems (BIS) and Dunlop Corporation. Four of the materials BLSS, Berg/Reeves, AEF/Reeves, and AEF/Archer met the MIL-PRF-32233 JP-8 fuel diffusion requirement of 0.06 oz/ft(expn 2)/24h. The JP-8 diffusion rates for the remaining three materials did not meet the military specification. All materials performed well in peel adhesion testing when conditioned with fuels; however, when conditioned with water at elevated temperatures a major decrease in strengths are observed. The Dunlop fabric seam performed poorly retaining only 20% of its original peel strength. The reduction was only 50% when extraction with JP-8 was performed before water conditioning. The original document contains color images. Prepared in cooperation with the Oak Ridge Institute for Science and Education and Bowhead Science and Technology, LLC, King George, VA.