HG/T 4634-2014Difluoromethane (HFC-32) for industrial use (English PDF)

HG/T 4634-2014 is the English-translated version of 工业用二氟甲烷(HFC-32).

Industrial difluoromethane, the fluorocarbon known as HFC-32, is the product covered by HG/T 4634-2014, a recommended chemical industry standard. It sets the requirements for the substance, the test methods, the inspection rules and the clauses on marking, packaging, transport, storage and safety. The material in scope is difluoromethane made from methylene chloride as raw material, by a gas phase or a liquid phase route. GB/T 601, GB/T 603, GB/T 6681-2003, GB/T 7376-2008, GB/T 9722-2006, GB/T 10627, GB 13690 and GB 14193 are quoted in it. The Chinese classification is G17 and the international one 71.080.20. Issued on 6 May 2014, it has applied since 1 October 2014.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

HG/T 4633-2014|HG/T 4794-2014|GB/T 37999-2019|GB/T 18826-2016|GB/T 19602-2004

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