Solstice® N40
Solstice® N40 is a non-flammable, reduced GWP HFO refrigerant for new supermarkets or R-404A retrofits, especially low- and medium-temp refrigeration. It has a GWP of 1273 and provides 68% GWP reduction and around 15% lower energy consumption compared to R404A. It is listed under the U.S. EPA’s SNAP program to replace ozone-depleting substances.
Download Retrofit Guidelines
HCFC/HFC TO HFO BLEND RETROFIT GUIDELINES COMMERCIAL REFRIGERATION
Coborn’s Selects Solstice N40 for New, Next-Gen Grocery Store
Solstice N40: R404A Retrofit at TOPS Supermarkets
Related TDS/SDS General Information ASHRAE # R-448A Typical Lubricant POE (polyol ester) Oil Substitutes R-404a, R22 Contains R-32 / R-125 / R134a / R-1234ze / R-1234yf Glide 7.0°F GWP 1273 Physical Properties Molecular Weight (lbm/lbmol) 86.3 lbm/lbmol Boiling Point @ 1 Atm, (°F) -51.0°F Critical Pressure* (psia) 666.4 psia Critical Temperature (°F) 180.8°F Critical Volume (ft3 /lb) 0.03356 ft3/lbm Critical Density (lb/ft3 ) 29.80 lbm/ft3 Vapor density at boiling point (lb/ft3 ) 0.2937 lbm/ft3 Liquid density at 32ºF (lb/ft3 ) 74.77 lbm/ft3 Liquid density at 77°F (lb/ft3 ) 68.50 lbm/ft3 Vapor density at 77ºF (lb/ft3 ) 3.053 lbm/ft3 Liquid heat capacity at 77°F (Btu/lb·°F) 0.3717 Btu/lbm °R Vapor heat capacity at 77°F (Btu/lb·°F) 0.2767 Btu/lbm °R Heat of vaporization at boiling point (Btu/lb) 103.9 Btu/lbm °R Vapor Pressure at 77°F (psia) 162.1 psia" Liquid thermal conductivity at 77°F (mBtu/h-ft-°F) 0.0469 Btu/h ft °R Vapor thermal conductivity at 77°F (mBtu/h-ft-°F) 0.0084 Btu/h ft °R Liquid viscosity at 77°F (μlb/ft·hr) 9.34 x 10-5 lbm/ft s Vapor viscosity at 77°F (μlb/ft·hr) 8.41 x 10-6 lbm/ft s ANSI/ASHRAE Standard 34-1992 Safety Group Classification A1 Class/Type Zeotropic blend Formula 26%/26%/21%/7%/20% R-32/R-125/R-134a/ R-1234ze(E)/R-1234yf Appearance Colorless ODP (ODP-R11=1) 0 (zero) GWP REV /5TH IPCC 1387 / 1273 LFL (percentage vol) Nonflammable