An amorphous carbon. Light, loose and superfine powder, specific surface area of black is very large, ranging from 10-3000m2 / g, organic (natural gas, oil, fuel oil, etc.) in the air sufficient condition of the incomplete combustion or thermal decomposition and product. Proportion of 1.8-2.1 made by natural gas black ", "says" made by the oil lamp by acetylene black ", "the acetylene black made." In addition to "black" and "tank furnace. According to the properties of carbon black "forcomposites.reinforcement distinguish", "the conductive carbon black," "wear black", etc. Can be used in the manufacture of dyes, black Chinese ink, ink, paint, etc, also used for reinforcing agent of rubber.
