MIL-PRF-38299 Purging Fluid for preserving fuel tanks of aircraft


Product Information


PURGING FLUID meets the requirements of Military Specification MIL-PRF-38299. 

MIL-PRF-38299 Specification covers the requirements for a fluid for use in purging and preserving fuel tanks of jet aircraft before hangaring of aircraft for scheduled maintenance.

Product properties

Distillation: °C (°F)

Initial Boiling Point 218 (425) minimum

Recovered 10%

Recovered 50%

Recovered 90%

End point 316 (600) maximum

Residual volume % 2.0

Loss, volume % 1.5

Specific Gravity

Total sulfur, mass % 0.4 maximum

Mercaptan Sulfur, mass % 0.001 maximum Existent Gum, mg/100 Ml, washed 7 maximum Freezing Point, °C (°F) -40 maximum

Net Heat of Combustion, MJ/kg (BTU/lb)

41,9 minimum

Viscosity, mm2/s @ 38°C (100°F) 5.0 maximum Aromatics, vol % 15.0 maximum

Flash Point, °C (°F) 93 (200) minimum

Copper Strip Corrosion, 2hr @ 100°C (212°F)

1b (minimum)

Particulate matter, mg/L 1.0 Maximum Total Acid Number, mg KOH/g 0.015 maximum Color, Saybolt +20 minimum Fuel electrical conductivity, pS/m, allowable range at ambient temperature or 29°C (85°F), whichever is lower

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