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Fire Extinguishing Gas

HFC-125 Summary

HFC-125 is an environmentally friendly fire extinguishing agent that is a perfect alternative to Halon 1301 with an ozone depletion Potential of zero. After digestion release, there is no deposit, it is a non-conductive, non-corrosive agent.

Characteristic

· The most suitable physical property to replace Halon 1301
· Very chemically stable
· Effective digestive agent with 0 ODP.
· Non-toxic, non-flammable liquefied gas.
· Can be used as a raw material for mixed refrigerants.
· Colorless and odorless when stored as liquefied compressed gas
· Extinguishing agent that has been proved to be safe in resident area
· The role of extinguishing by blocking free radicals reaction during combustion to block the chain reaction necessary for combustion

HFC-125 Physical Properties

HFC-125 소화약제의 물리적 특성 표
Item Value
Chemical Name Pentafluoroethane
Chemical Formula CHF₂CF₃
Molecular Mass 120
Critical Temperature 66 ℃
Critical Pressure 3,618 KPa
Critical Volume 210 cc/mol
Critical Density 574 kg/㎥
Liquid Viscosity (25℃) 0.14 Centi-poise
Water Solubility in Drugs (25 ℃) 700 ppm
Evaporation Heat (25 ℃) 164.1 KJ/Kg
Specific Heat (25℃) 1.407 KJ/Kg
Boiling Point (760mm Hg) -48.1 ℃
Freezing Point -102.8 ℃
Thermal Conductivity of Liquid (25℃) 0.0592 W/m℃
Ozone Depletion Potential (ODP) 0
Global Warming Potential (GWP) 3500

Application

It can be used as a single refrigerant in a cooling system, as a component of a mixed refrigerant, and as an effective agent for fire extinguishing.