Properties of aviation petrol

Properties of aviation petrol are as follows :

  1. Flashpoint: 38 0C
  2. Auto-ignition temperature: 210 0C
  3. Freezing point: -40 0C
  4. Open air burning temperature: 287.50C
  5. Density at 150C : 0.807kg/L
  6. Calorific value :11,500 cal/g
  7. Boiling point: 40 to 1020C

Aviation petrol may contain a number of an additive such as :

  • Antioxidants to prevent gumming, usually based on alkylated phenols.
  • Artistic agents to dissipate static electricity and prevent sparking e.g. dinonylnaphthylsulfonic acid.
  • Corrosion inhibitors e.g. DCL-4A used for civilian and military fuels.
  • Fuel system icing inhibitor (FSII ) agents e.g. diethylene glycol monomethyl ether.
  • point – of – sale so that users with heated fuel lines do not have to pay the extra expense.
  • Biocide is used if bacterial colonies exist inside the fuel system.

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