IG541 Inert Gas

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IG541 is a mixture of nitrogen, argon and carbon dioxide gases and has been specially developed to provide fire protection as a Halon 1301 replacement.
IG541 extinguishes fire by reducing the oxygen level in a room to below 15%, the point at which most combustibles will no longer burn.
Simultaneously the carbon dioxide in IG541 stimulates the uptake of oxygen by the human body, so protecting anyone who might be trapped in the fire area from the effects of the lowered oxygen levels.


  • Nitrogen (N2)                                                          52%
  • Argon (Ar)                                                              40%
  • Carbon Dioxide (CO2)                                                8%
  • Pressure                                                                 200 -300 bar @ 15 °C
  • Ozone Depletion Potential (O.D.P)                             0
  • Global Warming Potential (G.W.P)                              0
  • Atmospheric Life                                                      0
  • No Observed Adverse Effect Level (NOAEL)                 43 %
  • Lowest Observed Adverse Effect Level (LOAEL)           52 %
  • NOT Flammable
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