ASTM | Standard Specification for HFC-23 (Trifluoromethane, CHF3)

This specification covers the test methods and requirements for HFC-23 (trifluoromethane, CHF3) as a fire fighting medium. This specification, however, does not address the fire fighting equipment or hardware that employs HFC-23 or the conditions of employing such equipment (for example, handshields, fixed installations, etc.). It also does not address the storage or transportation of HFC-23. When analyzed by appropriate test methods, sampled specimens shall conform to requirements as to purity, acidity, water content, nonvolatile residue, and suspended matter or sediment.

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