comprise of circa 60 - 65% of petroleum coke and 30 - 35% anthracite (both by weight) together with a cold setting resin binder, hardener and low temperature stabiliser as the remaining weight;

are produced at ambient temperature by a process involving roll-pressing, the briquettes are ‘cold cured’;

are unmarked pillow shaped briquettes, oval in appearance;

weigh circa 100grams +/- 5%; and

have a sulphur content not exceeding 1.9% of total weight.