Catalytic de-waxed base oil, synthesised from gaseous hydrocarbons, followed by a heavy paraffin conversion process (HPC), containing: - not more than 1 mg/kg of sulphur - more than 99% by weight of saturated hydrocarbons - more than 75% by weight of n- and iso-paraffinic hydrocarbons with a carbon chain length of 18 or more but not more than 50; and - a kinematic viscosity at 40°C of more than 6,5 mm²/s, or - a kinematic viscosity at 40°C of more than 11 mm²/s with a viscosity index of 120 or more
Tariff preference