MIL-PRF-87260B(USAF)
APPENDIX A
GUIDELINES FOR SMALL SCALE
FUEL IMPINGEMENT EVALUATION
A.1. SCOPE
A.1.1 Scope.
This appendix contains guidelines for the small scale fuel impingement evaluation of reticulated
foam products. The equipment, procedures, and data requirements specified in this appendix
may be used for evaluating the electrostatic charge generation and ignition characteristics of
reticulated foams (explosion suppression material) by impinging fuel at high velocities onto the
material. Measurements of voltage buildup on an isolated conductor within the tank are used as
criteria for evaluation of a product. Electrical activity/discharges/vapor ignitions are other criteria
also used to evaluate the acceptability of the product. This appendix is not a mandatory part of
the specification. The information contained herein is intended for guidance only.
A.2. APPLICABLE DOCUMENTS
DEPARTMENT OF DEFENSE SPECIFICATIONS
MIL-DTL-5624
Turbine Fuel, Aviation, Grades JP-4 AND JP-5
MIL-DTL-83054
Baffle and Inerting Material, Aircraft Fuel Tank
MIL-DTL-83133
Turbine Fuels, Aviation, Kerosene Types, NATO F-34(JP-8),
NATO F-35, AND JP-8 + 100
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
ASTM D1655
Standard Specification for Aviation Turbine Fuels
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