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ASTM D6231/D6231M-21
Standard Specification for HFC-125 (Pentafluoroethane, C2HF5)
Name übersetzen
NORM herausgegeben am 1.6.2021
Informationen über die Norm:
Bezeichnung normen: ASTM D6231/D6231M-21
Ausgabedatum normen: 1.6.2021
SKU: NS-1028043
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM D6231/D6231M-21 :
This specification covers the requirements for HFC-125 (pentafluoroethane, C2HF5) as a fire-fighting medium. It does not however address the fire-fighting equipment or hardware that employs HFC-125, the conditions of employing such equipment like hand helds, fixed installations, etc., or the storage and transportation of HFC-125. Samples of HFC-125 taken in the liquid phase shall be taken from filled containers in accordance to a specific method and shall be tested for quality conformance using gas chromatography, sodium hydroxide titration, and Karl Fischer methods. HFC-125 shall conform to the purity, acidity, water content, nonvolatile residue, presence of fixed gases in the vapor phase, and suspended matter or sediment requirements when tested by the appropriate test methods.
Keywords:
C2HF5, FE-25 FE-25 is a trademark of The Chemours Company., fire fighting, fire fighting agent, fire protection, fire suppressant, HFC-125, hydrofluorocarbon, hydrofluorocarbon 125, pentafluoroethane,, ICS Number Code 13.220.10 (Fire-fighting),71.080.20 (Halogenated hydrocarbons)
Ergänzende Informationen
| 1. Scope |
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1.1?This specification covers the requirements for HFC-125 as a fire-fighting medium. 1.2?This specification does not address the fire-fighting equipment or hardware that employs HFC-125 or the conditions of employing such equipment, for example, hand helds, fixed installations, etc. 1.3?This specification does not address the storage or transportation of HFC-125. Storage, handling, and transportation issues are addressed in Practice D6268. 1.4?The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. 1.5?The following safety hazards caveat pertains to the test methods portion, Section 6, of this specification. 1.6?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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