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Memorandwm Esboniadol
40. Newflame briquettes, manufactured by Maxibrite Limited at Llantrisant, Rhondda Cynon Taff, which—
(a)comprise anthracite fines (as to approximately 84% of the total weight), petroleum coke (as to approximately 12% of the total weight) and starch 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 unmarked pillow-shaped briquettes;
(d)have an average weight of 78g per briquette; and
(e)have a sulphur content not exceeding 2% of the total weight.