Use of Carbon Black in the Plastics Industry

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Carbon Black

Carbon black is virtually pure elemental carbon produced by incomplete combustion or thermal decomposition of gaseous or liquid hydrocarbons under controlled conditions. Carbon black is chemically and physically distinct from soot and black carbon, with most types containing greater than 97% elemental carbon. Carbon black is supplied in pellet or powder form. It is used in rubber and plastic products, printing inks and coatings. Carbon black is one of the top 50 industrial chemicals manufactured worldwide, based on annual tonnage.

Carbon black used to be known as a reinforcing agent in tires. The uses of carbon black also includes pigmentation, ultraviolet (UV) stabilization and conductive agents in the plastics industry:

Rubber :
Carbon black is added to rubber as a filler and as a reinforcing agent. For various types of tires, it is used in innerliners, carcasses, sidewalls and treads using different typesof carbon black depending on performance requirements. Carbon black is also used in many injection moulded and extruded industrial rubber products, such as belts, hoses, gaskets and bumpers, and multiple types of pads, boots, wiper blades and conveyor wheels.

Plastics :
Carbon blacks are used for conductive or anti static packaging boxes, for plastic film and sheet- including consumer and food packaging, fibers, non-pressure pipes, ABS pipe usually contains carbon black to provide protection from sunlight, moldings, for refuse bags and carrier bags, industrial bags, photographic containers, agriculture mulch film, stretch wrap, and thermoplastic moulding applications for automotive, electrical / electronics, household appliances and blow-moulded containers. Carbon Black is used as an additive for production of stretch blow moulded containers. Carbon blacks provide pigmentation, conductivity, and UV protection for a number of coating applications.