Definition of acetylene black
: a carbon black characterized by relatively high electrical conductivity, made by decomposing acetylene (as by pyrolysis in a retort or by explosion), and used chiefly as a filler in dry cells, rubber, and plastics
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“Acetylene black.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acetylene%20black. Accessed 18 Jan. 2022.
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The first known use of acetylene black was in 1898
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