kun for varer henhørende under pos. 27101931-27101999: hydrogenbehandling — dog ikke afsvovling — ved hvilken hydrogenen ved et tryk på over 20 bar og en temperatur på over 250 °C deltager aktivt i en kemisk reaktion ved hjælp af en katalysator.
(in respect of products of subheadings 27101931 to 27101999 only) treatment with hydrogen at a pressure of more than 20 bar and a temperature of more than 250 °C with the use of a catalyst, other than to effect desulphurisation, when the hydrogen constitutes an active element in a chemical reaction.