Anthracite

Anthracite, commonly known as white coal or red coal. It is the coal with the largest degree of coalification. Anthracite coal has high fixed carbon content, low volatile yield, high density, high hardness, high ignition point, and no smoke when burning. Black is hard with a metallic sheen. It is not stained by grease friction, and the fracture is shell-shaped, and the flame is short and less smoke when burning. No coke. Generally, the carbon content is more than 90%, and the volatile matter is less than 10%. No gum layer thickness. The calorific value is about 6000-6500 kcal/kg. Sometimes the large volatile content is called semi-anthracite; The smallest ones are called high anthracite.