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Solstice® HFO Blends

Solstice® L40X - (R-455A)

Solstice® L40X (R-455A) is a mildly flammable, zeotropic blend designed to serve as an alternative for low-, medium- and high-temperature applications in new systems. It has a low global-warming-potential (GWP) of only 145.

Overview
Solstice® L40X (R-455A) is a mildly flammable, zeotropic blend designed to serve as an alternative for low-, medium- and high-temperature applications in new systems. It has a low global-warming-potential (GWP) of only 145. In addition, it provides a close capacity match to R-404A, extended operating envelope when compared to propane or air-conditioning refrigerants, and high energy efficiency.

Solstice® L40X (R-455A) is an excellent refrigerant option for commercial refrigeration low-temperature applications such as plug-ins, condensing units, food service, water-loop systems and similar. Its low GWP, extended operating envelope, high efficiency, high critical temperature and low critical pressure makes it a potential match for other applications such as supermarkets, chillers, heat pumps, transport refrigeration, and others.

Solstice® L40X (R-455A) vs CO2
  • Solstice® L40X (R-455A) provides energy efficiency improvement over CO2 and reduce overall CO2 footprint (Scope 1 and Scope 2 emissions).
  •  In contrast to CO2 based systems, which demand specialized skills and capabilities, Solstice® L40X (R-455A) systems follow standard installation and maintenance practices, requiring no elite skillset and experience. 
  • Unlike CO2 refrigeration systems, Solstice® L40X (R-455A) has a lower CAPEX requirement. CO2 being a high-pressure refrigerant, its systems need entirely new equipment and costly components to withstand high pressure conditions.

Solstice® L40X (R-455A) Customer Success Stories
  • New MD Discount Store becomes first supermarket in Italy to use Honeywell Solstice® L40X (R-455A). Learn More
  • New French supermarket, E.Leclerc in Moissac, selects Honeywell low-global-warming-potential refrigerant Solstice L40X for cold storage. Learn More
Specifications

General Information

  • Application
    • Cold Storage
    • Commercial Ice Machines
    • Data Centers - Liquid Cooling (Cold Plates, etc.)
    • Data Centers - Room and Precision Air Conditioning
    • Food Retail - Condensing Unit
    • Food Retail - High Side of Cascade
    • Food Retail - Stand-Alone Refrigerator
    • Food Retail - Supermarket System
    • Ice Rinks
    • Industrial Process Refrigeration - Non Chiller
    • Industrial Process Refrigeration – Chillers: Low or Medium Temperature
    • Refrigerated Transport
  • ASHRAE Number
    • R-455A
  • Brand
    • Solstice®
  • Formula
    • R-1234yf / R-32 / R-744, (75.5% / 21.5% / 3%)
  • Refrigerant Class
    • HFO Blend
  • Refrigerant Type
    • Zeotropic blend
  • Replaces
    • R-404A
    • R-448A
    • R-507
  • Typical Lubricant
    • POE

Physical Properties

  • Appearance
    • Colorless
  • Critical Density
    • 0.296 lbm/ft³
  • Critical Pressure
    • 675 psia
  • Critical Volume
    • 0.0352 ft3/lbm
  • Liquid Heat Capacity
    • 0.375 Btu/lbm·°R at 77°F
  • Liquid Thermal Conductivity
    • 0.0445 Btu/h·ft·°R at 77°F
  • Liquid Viscosity
    • 8.53 x 10-5 lbm/ft·sec at 77°F
  • Lower Flammable Limit
    • 11.8 - 12.9 % volume
  • Molecular Weight
    • 87.5 lbm/lbmol
  • Vapor Density
    • 2.84 lbm/ft³ at 77°F
  • Vapor Heat Capacity
    • 0.272 Btu/lbm·°R at 77°F
  • Vapor Pressure
    • 151.2 psia at 77°F hectopascal
  • Vapor Thermal Conductivity
    • 0.0084 Btu/h·ft·°R at 77°F
  • Vapor Viscosity
    • 8.08 x 10-6 lbm/ft·sec at 77°F

Temperature

  • Boiling Point/Range
    • -61.6 °F
  • Critical Temperature
    • 186.1 °F

Safety & Environment

  • Global Warming Potential
    • 146
  • Ozone Depletion Potential
    • ~0

Standards & Approvals

  • ASHRAE Safety Classification
    • A2L (Mildly flammable)
  • REACH Product Stewardship
    • Registered

General Information

  • Application
    • Cold Storage
    • Commercial Ice Machines
    • Data Centers - Liquid Cooling (Cold Plates, etc.)
    • Data Centers - Room and Precision Air Conditioning
    • Food Retail - Condensing Unit
    • Food Retail - High Side of Cascade
    • Food Retail - Stand-Alone Refrigerator
    • Food Retail - Supermarket System
    • Ice Rinks
    • Industrial Process Refrigeration - Non Chiller
    • Industrial Process Refrigeration – Chillers: Low or Medium Temperature
    • Refrigerated Transport
  • ASHRAE Number
    • R-455A
  • Brand
    • Solstice®
  • Formula
    • R-1234yf / R-32 / R-744, (75.5% / 21.5% / 3%)
  • Refrigerant Class
    • HFO Blend
  • Refrigerant Type
    • Zeotropic blend
  • Replaces
    • R-404A
    • R-448A
    • R-507
  • Typical Lubricant
    • POE

Physical Properties

  • Appearance
    • Colorless
  • Critical Density
    • 0.296 lbm/ft³
  • Critical Pressure
    • 675 psia
  • Critical Volume
    • 0.0352 ft3/lbm
  • Liquid Heat Capacity
    • 0.375 Btu/lbm·°R at 77°F
  • Liquid Thermal Conductivity
    • 0.0445 Btu/h·ft·°R at 77°F
  • Liquid Viscosity
    • 8.53 x 10-5 lbm/ft·sec at 77°F
  • Lower Flammable Limit
    • 11.8 - 12.9 % volume
  • Molecular Weight
    • 87.5 lbm/lbmol
  • Vapor Density
    • 2.84 lbm/ft³ at 77°F
  • Vapor Heat Capacity
    • 0.272 Btu/lbm·°R at 77°F
  • Vapor Pressure
    • 151.2 psia at 77°F hectopascal
  • Vapor Thermal Conductivity
    • 0.0084 Btu/h·ft·°R at 77°F
  • Vapor Viscosity
    • 8.08 x 10-6 lbm/ft·sec at 77°F

Temperature

  • Boiling Point/Range
    • -61.6 °F
  • Critical Temperature
    • 186.1 °F

Safety & Environment

  • Global Warming Potential
    • 146
  • Ozone Depletion Potential
    • ~0

Standards & Approvals

  • ASHRAE Safety Classification
    • A2L (Mildly flammable)
  • REACH Product Stewardship
    • Registered
  • Application : Cold Storage|Commercial Ice Machines|Data Centers - Liquid Cooling (Cold Plates, etc.)|Data Centers - Room and Precision Air Conditioning|Food Retail - Condensing Unit|Food Retail - High Side of Cascade|Food Retail - Stand-Alone Refrigerator|Food Retail - Supermarket System|Ice Rinks|Industrial Process Refrigeration - Non Chiller|Industrial Process Refrigeration – Chillers: Low or Medium Temperature|Refrigerated Transport
  • ASHRAE Number : R-455A
  • Typical Lubricant : POE
  • Refrigerant Class : HFO Blend
  • Formula : R-1234yf / R-32 / R-744, (75.5% / 21.5% / 3%)
  • Brand : Solstice®
  • Replaces : R-404A|R-448A|R-507
  • Refrigerant Type : Zeotropic blend
  • Critical Volume : 0.0352 ft3/lbm
  • Lower Flammable Limit : 11.8 - 12.9 % volume
  • Critical Density : 0.296 lbm/ft³
  • Liquid Heat Capacity : 0.375 Btu/lbm·°R at 77°F
  • Vapor Density : 2.84 lbm/ft³ at 77°F
  • Molecular Weight : 87.5 lbm/lbmol
  • Appearance : Colorless
  • Vapor Thermal Conductivity : 0.0084 Btu/h·ft·°R at 77°F
  • Vapor Heat Capacity : 0.272 Btu/lbm·°R at 77°F
  • Liquid Viscosity : 8.53 x 10-5 lbm/ft·sec at 77°F
  • Liquid Thermal Conductivity : 0.0445 Btu/h·ft·°R at 77°F
  • Critical Pressure : 675 psia
  • Vapor Pressure : 151.2 psia at 77°F hectopascal
  • Vapor Viscosity : 8.08 x 10-6 lbm/ft·sec at 77°F
  • Boiling Point/Range : -61.6 °F
  • Critical Temperature : 186.1 °F
  • Ozone Depletion Potential : ~0
  • Global Warming Potential : 146
  • REACH Product Stewardship : Registered
  • ASHRAE Safety Classification : A2L (Mildly flammable)
Brochure
Name
Description
File Size
Date
Size
Long-term refrigerant solution for condensing units, waterloop and plug0in systems
application/pdf 3.5 MB
3/19/2024
3.5 MB
Manuals and Guides
Name
Description
File Size
Date
Size
Applications Development Guide for Refrigeration
application/pdf 332.63 KB
3/19/2024
332.63 KB
Data Sheet
Name
Description
File Size
Date
Size
(R-455A)
application/pdf 903.97 KB
5/13/2024
903.97 KB
Applications Chart
application/pdf 5.46 MB
4/24/2024
5.46 MB
Technical Data Sheet
application/pdf 998.44 KB
3/19/2024
998.44 KB
Infographic
Name
Description
File Size
Date
Size
Infographic
application/pdf 1.15 MB
3/19/2024
1.15 MB
Achieve more with lower-GWP and energy-efficient Solstice® L40X and Solstice® 454C refrigerants
application/pdf 1.63 MB
3/19/2024
1.63 MB
Case Study
Name
Description
File Size
Date
Size
The co-operative Case Study
application/pdf 1.34 MB
10/31/2023
1.34 MB
Powers Cooling and Freezing Units at Dutch Zoo
application/pdf 1.88 MB
3/19/2024
1.88 MB
To Use Solstice® L40X (R-455A)
application/pdf 1 MB
3/19/2024
1 MB
And Sustainable Solution
application/pdf 516.47 KB
3/19/2024
516.47 KB
Name
Description
File Size
Date
Size
The co-operative Case Study
application/pdf 1.34 MB
10/31/2023
1.34 MB
(R-455A)
application/pdf 903.97 KB
5/13/2024
903.97 KB
Applications Chart
application/pdf 5.46 MB
4/24/2024
5.46 MB
Powers Cooling and Freezing Units at Dutch Zoo
application/pdf 1.88 MB
3/19/2024
1.88 MB
Technical Data Sheet
application/pdf 998.44 KB
3/19/2024
998.44 KB
Applications Development Guide for Refrigeration
application/pdf 332.63 KB
3/19/2024
332.63 KB
Infographic
application/pdf 1.15 MB
3/19/2024
1.15 MB
To Use Solstice® L40X (R-455A)
application/pdf 1 MB
3/19/2024
1 MB
And Sustainable Solution
application/pdf 516.47 KB
3/19/2024
516.47 KB
Long-term refrigerant solution for condensing units, waterloop and plug0in systems
application/pdf 3.5 MB
3/19/2024
3.5 MB
Achieve more with lower-GWP and energy-efficient Solstice® L40X and Solstice® 454C refrigerants
application/pdf 1.63 MB
3/19/2024
1.63 MB
Name
Description
File Size
Date
Size
Long-term refrigerant solution for condensing units, waterloop and plug0in systems
3.5 MB
3/19/2024
Applications Development Guide for Refrigeration
332.63 KB
3/19/2024
(R-455A)
903.97 KB
5/13/2024
Applications Chart
5.46 MB
4/24/2024
Technical Data Sheet
998.44 KB
3/19/2024
Achieve more with lower-GWP and energy-efficient Solstice® L40X and Solstice® 454C refrigerants
1.63 MB
3/19/2024
The co-operative Case Study
1.34 MB
10/31/2023
Powers Cooling and Freezing Units at Dutch Zoo
1.88 MB
3/19/2024
To Use Solstice® L40X (R-455A)
1 MB
3/19/2024
And Sustainable Solution
516.47 KB
3/19/2024