RB3 MATERIAL SPECIFICATIONS Nominal Calorific Value - 5500kcal/kg Minimum Calorific Value - 5300kcal/kg Total Moisture (ARB) - 14% max Volatile Material (ARB) - 20% min Ash (ARB) - 23% max Sulphur - 1% max HGI - 45-70 Nominal Topsize - 50mm or smaller