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ASTM D7122-21
Standard Specification for HCFC Blend B (CF3CCl2H, Ar, and CF4)
NORMA vydaná dňa 1.6.2021
Informácie o norme:
Označenie normy: ASTM D7122-21
Dátum vydania normy: 1.6.2021
Kód tovaru: NS-1028114
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM D7122-21 :
This specification covers requirements for HCFC Blend B as a fire-fighting medium. The fill density of HCFC Blend B within a container should not exceed that needed to achieve complete filling of the container at the maximum envisaged storage temperature. Properties like HCFC-123 purity, HCFC-123 content, argon content, tetrafluoromethane content, acidity, water content, nonvolatile residue content, and suspended matter or sediment content shall be determined by subjecting HCFC Blend B to various tests.
Keywords:
2,2-dichloro-1,1,1-trifluoroethane, argon, CF3CCl2H, fire extinguishant, fire suppressant, Halotron Halotron is a registered trademark of American Pacific Corporation. I, HCFC-123, HCFC Blend B, tetrafluoromethane,, ICS Number Code 13.220.10 (Fire-fighting)
Doplňujúce informácie
| 1. Scope | ||||||||||||
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1.1?This specification covers requirements for HCFC Blend B as a fire-fighting medium. 1.2?This specification does not address the fire-fighting equipment or hardware that employs HCFC Blend B or the conditions of employing such equipment (for example, handhelds, fixed installations, etc.). 1.3?This specification does not address the storage or transportation of HCFC Blend B. Storage, handling, and transportation issues are addressed in Practice D7123. 1.4?The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.5?The following safety hazards caveat pertains only 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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| 2. Referenced Documents | ||||||||||||
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