Carbon black and carbon black are essentially the same substance.
However, from a chemical point of view, carbon black is more accurate.
Carbon is a non-metallic element with the chemical symbol C and is located in the second cycle of the periodic table in the IVA group. Carbon is a very common element and is widely found in many forms in the atmosphere, the earth's crust and in living things around us. Carbon is an important component in the composition of organic matter.
Carbon, originally charcoal, is a porous substance obtained from the burning of wood.
Industrially, carbon black is the product of incomplete combustion or cracking of hydrocarbons such as anthracene oil, tar, natural gas, etc. It is an amorphous carbon in the form of a black powder. Carbon black can be divided into rubber carbon black, pigmented carbon black, special carbon black, etc. according to its use, which is an important raw material in industry.
From this, it is certain that carbon black is more accurate than carbon black. However, due to the difference in writing habits, both carbon black and carbon black are possible, and they refer to the same substance.