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Halon Alternatives
 
Substitutes for Halon 1301 as a Total Flooding Agent

The recent research has led to the commercialization of new agents and technologies. These fall into four basic categories: halocarbon compounds, inert gas mixtures; water-mist or fogging systems; and powdered aerosol.
 
 
     
 
Substitutes are reviewed on the basis of ozone depletion potential, global warming potential, toxicity, flammability, and exposure potential. Lists of acceptable and unacceptable substitutes are updated several times each year. A chronological list of SNAP updates is available from the hotline. If your browser is unable to display tables, please call the hotline for a free paper copy.

Substitute (Trade Name) Comments
Powdered Aerosol C (PyroGen, Soyuz) For use in unoccupied areas only.
Powdered Aerosol A (SFE) For use in unoccupied areas only.
Carbon Dioxide System design must adhere to OSHA 1910.162(b)(5) and NFPA Standard 12
Water None
Water Mist Systems using Potable or Natural Sea Water None
Foam A [formerly Water Mist / Surfactant Blend A] (Phirex+) This agent is not a clean agent, but is a low-density, short duration foam.
HCFC-22 Use of blends containing this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.

The NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems gives guidelines for blends that contain HFC-134a or HCFC-22 and other acceptable total flooding agents, rather than referring to HFC-134a or HCFC-22 alone.

HCFC-124 Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.
[HCFC Blend] A (NAF S-III) Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.
HFC-23 (FE-13) Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.
HFC-125 (FE 25) Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.
HFC-227ea (FM-200, FE-227) Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.
HFC-134a Use of blends containing this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.

The NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems gives guidelines for blends that contain HFC-134a or HCFC-22 and other acceptable total flooding agents, rather than referring to HFC-134a or HCFC-22 alone.

IG-100 (NM 100) Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.
IG-01 (Argotec; formally Inert Gas Blend C) Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.
IG-55 (Argonite; formally Inert Gas Blend B) Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.
IG-541 (Inergen) Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.

This agent contains CO 2, which is intended to increase blood oxygenation and cerebral blood flow in low oxygen atmospheres. The design concentration should result in no more than 5% CO 2.

C6-perfluoroketone [1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone] (Novec 1230) Use of the agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.

For operations that install and maintain total flooding systems using this agent, EPA recommends the following:
- install and use adequate ventilation ;
- clean up all spills immediately in accordance with good industrial hygiene practices; and
- provide training for safe handling procedures to all employees that would be likely to handle containers of the agent or extinguishing units filled with the agent.

Gelled Halocarbon /Dry Chemical Suspension (Envirogel) with ammonium polyphosphate additive Use of this agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems, for whichever hydrofluorocarbon gas is employed.
HFC-125 with 0.1% d-limonene (NAF S-125)

Use of the agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.

Extinguisher bottles should be clearly labeled with the potential hazards associated with the use of HFC-125 and d-limonene, as well as handling procedures to reduce risk resulting from these hazards.

HFC-227ea with 0.1% d-limonene (NAF S 227)

Use of the agent should be in accordance with the safety guidelines in the latest edition of the NFPA 2001 Standard for Clean Agent Fire Extinguishing Systems.

Extinguisher bottles should be clearly labeled with the potential hazards associated with the use of HFC-227ea and d-limonene, as well as handling procedures to reduce risk resulting from these hazards.

Uni-light Advanced Fire Fighting Foam 1% water mist system (Uni-light AFFF 1%)

For use in both normally occupied and unoccupied areas.

 
 
Gielle Srl - Administrative Headsquares 
Via Ferri Rocco 1001 Z.I. - 70022 Altamura (Ba) 
Tel +39 0803118998 - Fax + 39 0803101309
E-mail: info@fm200.biz 
free phone 24 hours
 
 
 




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