COAL SPECIFICATIONS

Typical Export Specifications

RB1 RB3
CALORIFIC VALUE BASIS 6,000 kcal/kg NCV 5,500 kcal/kg NCV
CALORIFIC VALUE MIN 5,850 kcal/kg NCV 5,500 kcal/kg NCV
TOTAL MOISTURE (ARB) 12,0% max 14,0% max
VOLATILE MATTER (ARB) 22,0% min 22,0% max
ASH (ARB) 15.0% max 23.0% max
SULPHUR (ARB) 1,0% max 1,0% max
HGI 45-70 45-70
NOMINAL TOP SIZE 50mm 50mm
IDT (Reducing Atmosphere) Min 1,250° C Min 1,250° C
CARLIUM OXIDE IN ASH (DB) 12.0% max 12.0% max

Quality in the Local Market

The coal sold in the local market is classified as:

GRADE CALORIFIC VALUES
A Grade Coal CV 27.5 +  Mj/kg
B Grade Coal CV 26.5 -27.5  Mj/kg
C Grade Coal CV 25.5 -26.5  Mj/kg
D Grade Coal CV 24.5 -25.5  Mj/kg
E Grade Coal CV 23.5 -24.5 Mj/kg

Typical Local Coal Specifications

The typical coal types sold in the local market are:

TYPE SIZE
Spiral 0 x 3mm
Duff 0 x 8mm
Brickmaker Duff 0 x 10mm
Grains 6 x 12mm
Peas 12 x 25mm
Small Nuts 25 x 45mm
Large Nuts 45 x 80mm