| Definition: | synthetic, fire-resistant insulating liquid which, when decomposed by an electric arc, will evolve predominantly non-combustible gaseous mixtures
NOTE 1 – Askarels used earlier consist of polychlorinated biphenyls with or without the addition of polychlorinated benzenes.
NOTE 2 – Due to the chlorine content, askarels are considered harmful to the environment, and their use is prohibited in many countries.
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