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HFO Blends

Solstice® N15 (R-515B)

Solstice® N15 (R-515B) is a nonflammable azeotropic blend designed for medium-temperature commercial refrigeration and high-temperature cooling systems. It's reduced GWP is 77% lower than R-134a. Equal efficiency as compared to R-134a.

Solstice® N15 (R-515B) is a non-flammable azeotropic blend designed for medium temperature commercial refrigeration and high-temperature cooling systems. This hydrofluoroolefin (HFO) blend demonstrates environmental and performance benefits in new systems. It has reduced GWP: 77% lower than R-134a. Equal efficiency as compared to R-134a.

General Information

  • Formula
    • R-1234ze / R-227ea, (91.1% / 8.9%)
  • Brand
    • Solstice®
  • Application
    • Commercial Refrigeration
  • Refrigerant Class
    • Azeotropic blend

Physical Properties

  • Molecular Weight
    • 117.5 lbm/lbmol
  • Critical Density
    • 31.03 lbm/ft³
  • Vapor Thermal Conductivity
    • 0.008 Btu/hr ft at 77°F
  • Vapor Heat Capacity
    • 0.23 Btu/lbm at 77 °F
  • Vapor Pressure
    • 57.45 psig at 77 °F
  • Vapor Density
    • 1.69 lbm/ft
    • 0.367 lbm/ft
  • Liquid Density
    • 78.56 lbm/ft³ at 32°F
    • 73.65 lbm/ft³ at 77°F
  • Liquid Heat Capacity
    • 0.33 Btu/lbm at 77 °F
  • Critical Volume
    • 0.0322 ft³/lbm
  • Vapor Viscosity
    • 0.0299 lbm/ft-hr
  • Appearance
    • Colorless
  • Liquid Thermal Conductivity
    • 0.042 Btu/h ft at 77 °F
  • Critical Pressure
    • 507 psig
  • Lower Flammable Limit
    • Nonflammable
  • Heat of Vaporization
    • 81.7 Btu/lbm
  • Liquid Viscosity
    • 0.4864 lbm/ft-hr at 77 °F

Temperature

  • Boiling Point/Range
    • -2.0 °F at 1 Atm
  • Critical Temperature
    • 228.0 °F

Safety & Environment

  • Flammable Range
    • Nonflammable, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)
  • Global Warming Potential
    • 299 REV / 5TH IPCC

Standards & Approvals

  • ASHRAE Safety Classification
    • A1

General Information

  • Formula
    • R-1234ze / R-227ea, (91.1% / 8.9%)
  • Brand
    • Solstice®
  • Application
    • Commercial Refrigeration
  • Refrigerant Class
    • Azeotropic blend

Physical Properties

  • Molecular Weight
    • 117.5 lbm/lbmol
  • Critical Density
    • 31.03 lbm/ft³
  • Vapor Thermal Conductivity
    • 0.008 Btu/hr ft at 77°F
  • Vapor Heat Capacity
    • 0.23 Btu/lbm at 77 °F
  • Vapor Pressure
    • 57.45 psig at 77 °F
  • Vapor Density
    • 1.69 lbm/ft
    • 0.367 lbm/ft
  • Liquid Density
    • 78.56 lbm/ft³ at 32°F
    • 73.65 lbm/ft³ at 77°F
  • Liquid Heat Capacity
    • 0.33 Btu/lbm at 77 °F
  • Critical Volume
    • 0.0322 ft³/lbm
  • Vapor Viscosity
    • 0.0299 lbm/ft-hr
  • Appearance
    • Colorless
  • Liquid Thermal Conductivity
    • 0.042 Btu/h ft at 77 °F
  • Critical Pressure
    • 507 psig
  • Lower Flammable Limit
    • Nonflammable
  • Heat of Vaporization
    • 81.7 Btu/lbm
  • Liquid Viscosity
    • 0.4864 lbm/ft-hr at 77 °F

Temperature

  • Boiling Point/Range
    • -2.0 °F at 1 Atm
  • Critical Temperature
    • 228.0 °F

Safety & Environment

  • Flammable Range
    • Nonflammable, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)
  • Global Warming Potential
    • 299 REV / 5TH IPCC

Standards & Approvals

  • ASHRAE Safety Classification
    • A1
  • Formula : R-1234ze / R-227ea, (91.1% / 8.9%)
  • Brand : Solstice®
  • Application : Commercial Refrigeration
  • Refrigerant Class : Azeotropic blend
  • Molecular Weight : 117.5 lbm/lbmol
  • Critical Density : 31.03 lbm/ft³
  • Vapor Thermal Conductivity : 0.008 Btu/hr ft at 77°F
  • Vapor Heat Capacity : 0.23 Btu/lbm at 77 °F
  • Vapor Pressure : 57.45 psig at 77 °F
  • Vapor Density : 1.69 lbm/ft|0.367 lbm/ft
  • Liquid Density : 78.56 lbm/ft³ at 32°F|73.65 lbm/ft³ at 77°F
  • Liquid Heat Capacity : 0.33 Btu/lbm at 77 °F
  • Critical Volume : 0.0322 ft³/lbm
  • Vapor Viscosity : 0.0299 lbm/ft-hr
  • Appearance : Colorless
  • Liquid Thermal Conductivity : 0.042 Btu/h ft at 77 °F
  • Critical Pressure : 507 psig
  • Lower Flammable Limit : Nonflammable
  • Heat of Vaporization : 81.7 Btu/lbm
  • Liquid Viscosity : 0.4864 lbm/ft-hr at 77 °F
  • Boiling Point/Range : -2.0 °F at 1 Atm
  • Critical Temperature : 228.0 °F
  • Flammable Range : Nonflammable, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition)
  • Global Warming Potential : 299 REV / 5TH IPCC
  • ASHRAE Safety Classification : A1
Case Study
Name
Description
File Size
Date
Size
Read how Philip Doyle Manufacturing replaced R-124 and R-134a with Solstice® N15 in critical high-ambient industrial applications
314.38 KB
6/24/2021
PDF 314.38 KB
Name
Description
File Size
Date
Size
Read how Philip Doyle Manufacturing replaced R-124 and R-134a with Solstice® N15 in critical high-ambient industrial applications
314.38 KB
6/24/2021
PDF 314.38 KB