R 134a

Physical Properties

Component HFCs
Composition (Molecular mass%) 102
Boiling Point (ºC) -26.1
Critical Temperature (ºC) 101.0
Critical Pressure (atm) 40.0
Flammability Non-Flammable
Ozone Depletion Potential 0
Global warming Potential 1430

Packing Information

Packing Type Disposable cylinder
Refrigerant Net Weight 13.6KG

Quality: Ahri Standard

Purity (%) 99.94%
Moisture Level (ppm) <8

Supply Option

Disposable Canisters
Refillable Cylinders
Tonner
ISO Tank

Description

Overview of R-134a Refrigerant

R-134a (Tetrafluoroethane) is a hydrofluorocarbon (HFC) refrigerant commonly used in automotive air conditioning, commercial refrigeration, and stationary cooling systems. Introduced as an eco-friendly replacement for ozone-depleting R-12 (CFC), R-134a has been a mainstream refrigerant since the 1990s. While it does not harm the ozone layer, its high Global Warming Potential (GWP) has prompted phasedowns in favor of newer, lower-GWP alternatives.

Key Features & Benefits

Environmental Profile:

Zero Ozone Depletion Potential (ODP): Unlike older CFCs, R-134a does not deplete the ozone layer.

High GWP: With a Global Warming Potential of 1,430, R-134a faces regulatory restrictions under initiatives like the EU F-Gas Regulation and U.S. SNAP Program.

Performance:

Stable, non-flammable (ASHRAE safety class A1), and compatible with common materials in AC systems.

Efficient in moderate-temperature applications, such as automotive AC and domestic refrigeration.

Applications:

Automotive air conditioning (primary use until recent shifts to R-1234yf).

Commercial refrigeration (e.g., supermarket display cases, chillers).

Medical refrigeration and heat pumps.

Regulatory Status & Transition

Phasedowns: Many regions are limiting R-134a due to its high GWP. The EU bans its use in new car AC systems since 2017, replaced by R-1234yf (GWP < 1).

Alternatives: Emerging options include hydrocarbons (R-290, R-600a), HFOs (R-1234yf, R-513A), and natural refrigerants (CO₂).

Safety & Handling

Classified as A1 (non-flammable, low toxicity), making it safe for routine use with proper handling.

Requires recovery and recycling to avoid emissions during servicing.

Future Outlook

While R-134a remains prevalent in existing systems, its role is diminishing as industries adopt ultra-low GWP alternatives. Retrofitting older equipment and responsible disposal are critical during this transition.

R-134a played a pivotal role in eliminating ozone-depleting refrigerants but is now being phased out due to climate concerns. Businesses and consumers are encouraged to transition to newer, sustainable refrigerants while ensuring compliant handling of existing R-134a systems.