Specification for RB3 Calorific Value Basis 5500 kcalkg NCV Calorific Value Min 5350 kcalkg NCV Total Moisture ARB140 max Volatile Matter ARB200 min Ash ARB230 max Sulphur ARB10 max HGI45 70 Nominal Top size0 50 mm IDT Min 1250 C in a reducing atmosphere