Carbon black, also known as carbon black, is an amorphous carbon. Light, loose and very fine black powder, with a very large surface area, ranging from 10 to 3000m2/g The resulting product. Specific gravity 1.8-2.1. It is called 'gas black' made of natural gas, 'lamp black' made of oil, and 'acetylene black' made of acetylene. In addition, there are 'slot black' and 'furnace black'. According to the performance of carbon black, there are 'reinforcing carbon black', 'conductive carbon black', 'wear-resistant carbon black' and so on. It can be used as a black dye, used to make Chinese ink, ink, paint, etc., and also used as a reinforcing agent for rubber.