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Company : United States Welding Inc

UMDC Code : 452924

Chemical symbol: He, Chemical symbol: He Second lightest elemental gas, after hydrogen Smallest of all molecules Lowest boiling point of any element (-452.1F, -268.9C, 4.2 K, 7.6 R) Seven times lighter than air Conducts sound three times faster than air Has five times airs thermal conductivity Does not become radioactive under irradiation

Product URL : http://www.uswelding.com/gases_process_helium.htm

Last Updated : 03/16/2013

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