Paragraph 61

England, Wales and Scotland

Therma Briquettes, manufactured by Maxibrite Limited at Llantrisant, Rhondda Cynon Taf, South Wales, 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 250°C;

(c)

are oval or tear-shaped briquettes with a line through the centre;

(d)

have an average weight of 26 grams per briquette; and

(e)

have a sulphur content not exceeding 2% of the total weight.