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Carbon black (subtypes are acetylene black, channel black, furnace black, lamp black and thermal black) is a material produced by the incomplete combustion of heavy petroleum products such as Fluid catalytic cracking tar, coal tar, ethylene cracking tar, or vegetable matter. Carbon black is a form of paracrystalline carbon that has a high surface-area-to-volume ratio, albeit lower than that of activated carbon. It is dissimilar to soot in its much higher surface-area-to-volume ratio and significantly lower (negligible and non-bioavailable) polycyclic aromatic hydrocarbon (PAH) content. However, carbon black is widely used as a model compound for diesel soot for diesel oxidation experiments. Carbon black is mainly used as a reinforcing filler in tires and other rubber products. In plastics, paints, and inks, carbon black is used as a color pigment. It is used in some places, such as the EU, as a food colourant if produced from vegetable matter (E153).

The current International Agency for Research on Cancer (IARC) evaluation is that, "Carbon black is possibly carcinogenic to humans (Group 2B)". Short-term exposure to high concentrations of carbon black dust may produce discomfort to the upper respiratory tract, through mechanical irritation.

INFO: Full form for HC is High Current in Electronics category
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INFO: Full form for HC is Headphone Coupling in Electronics category
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INFO: Full form for PN is Pseudo Noise in Electronics category
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INFO: Full form for PN is Pal To Ntsc Conversion in Electronics category
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INFO: Full form for SPC is Short Pulse Characteristic in Electronics category
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INFO: Full form for SPC is Sound Processing Core in Electronics category
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INFO: Full form for SPC is Series Parallel Capacitor in Electronics category
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INFO: Full form for SI is Signal Integrity in Electronics category
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INFO: Full form for SI is Semi-insulating in Electronics category
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