LPG Specs

Grade Main quality constraints Typical blend

UK Export Propane

 C1 0.1 mole% max
  C3 95 mole% min
  Total Sulphur 200 wt ppm max
  Vapour pressure at 40degC  1550 kPa max
     
UK Export Butane C1 0.1 mole% max
  C4 95 mole% min
  Total Sulphur 200 wt ppm max
  Vapour pressure at 40degC  505kPa max 
     
FR Commercial Propane Density 0.502 min
  Sulphur 50 wt ppm max
  Vapour pressure 14.4 bar max
     
 FR Commercials Butane C3 19 mole % max
  Density 0.559 min
  95% evaporation +1 degC max
  Vapour pressure  6.9 bar max