Anthracite coal is the largest degree of coal, a general carbon content of more than 90%, volatile matter below 10%, has high density, hardness and ignition, burning with no smoke. Anthracite appearance is black solid hard, metallic luster. To grease friction will not stain, fracture into a shell-shaped, burning flame short and less smoke, no coke, no glial layer thickness. Anthracite calorific value of about 7000-8000 kcal/kg, sometimes the large volatile content called semi-anthracite ; small called high anthracite.
No.2 Characteristics and use of anthracite
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