Anthracite coal

Anthracite is a hard, compact variety of coal that has a sub metallic luster. It has the highest carbon content, the fewest impurities, and the highest calorific content of all types of coal specification fixed carbon : 80-85 volatile matter : 3-4 % ash : 14 - 16% sulfur: 0.4 % phosphorus : 0.035 % moisture : 10 % size : 0-9,0-12,6-25,30-80 mm