Carbon black

Carbon black is a material, today usually produced by the incomplete combustion of petroleum products. Carbon black is a form of amorphous carbon that has an extremely high surface area to volume ratio, and as such it is one of the first nanomaterials to find common use. It is similar to soot but with a much higher surface area to volume ratio. Carbon black is often used as a pigment and reinforcement in rubber and plastic products.
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Noun
1. a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
(synonym) lampblack, soot, smut
(hypernym) carbon, C, atomic number 6

An amorphous form of carbon, produced commercially by thermal or oxidative decomposition of hydrocarbons and used principally in rubber goods, pigments, and printer's ink.

carbon black
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