Any of various finely divided forms of carbon derived from the incomplete combustion of natural gas or petroleum oil and used to reinforce rubber and as an ingredient in inks, paints, crayons, and polishes.
Finely divided carbon produced by the incomplete burning of oil or gas: used in making rubber, ink, etc.
Much of the natural gas is piped out of the state into Ohio (even into the northern parts), Kentucky, Pennsylvania and Maryland; within the state gas has been utilized as a fuel in carbon black and glass factories.
Low-density polythene is also often protected by carbon black which absorbs the ultraviolet light which causes free radical production (see p.54 ).
Carbon Black carbon Black Carbon black is a powdered form of elemental carbon.
The main ingredient, carbon black is mildly toxic, but modern machines with replaceable toner cartridges minimize exposure.
The two materials investigated were a carbon black filled high density polyethylene (HDPE) and a filled ethylene vinyl acetate (EVA ).