LPG Specs
| Grade | Main quality constraints | Typical blend |
UK Export Propane | C1 | 0.1 mole% max |
| C3 | 95 mole% min | |
| Total Sulphur | 30 wt ppm max | |
| Vapour pressure at 40degC | 1550 kPa max | |
| UK Export Butane | C1 | 0.1 mole% max |
| C4 | 95 mole% min | |
| Total Sulphur | 30 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 |