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Classification of refrigerants - IIR

Example: R22 (chlorodifluoromethane – CHClF 2) R022 0: Number of carbon atoms – 1 2: Number of hydrogen atoms + 1 2: Number of fluorine atoms Number of chlorine atoms : 1 (i.e. 4 minus 1 hydrogen atom and minus 2 fluorine atoms) For cyclic derivatives, the letter C is used before the refrigerant’s identification number.

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  Identification, Refrigerant

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