Paragraph 19
Extracite briquettes, manufactured by Sophia-Jacoba Handelsgesellschaft mbH at Hückelhoven, Germany, which—
(a)
comprise anthracite duff (as to approximately 95.5 per cent of the total weight) and ammonium lignosulphonate lye as binder (as to the remaining weight);
(b)
were manufactured from those constituents by a process involving roll-pressing and heat treatment at about 260° C;
(c)
are cushion-shaped briquettes with a silvery appearance and are marked with the letters “S” and “J” and have an average weight of 40 grammes; and
(d)
have a sulphur content of approximately 1.2 per cent of the total weight.