HFC-R32 (Difluoromethane) Refrigerant: A Lower-GWP Solution Tel：+086-592-5803997
HFC-R32 (Difluoromethane) is a next-generation, single-component hydrofluorocarbon refrigerant that has become the global standard for new air conditioning systems. As a low GWP refrigerant with a Global Warming Potential of 675-approximately one-third that of R410A-it represents a critical step forward in reducing the environmental impact of HVAC/R technology. For buyers including HVAC wholesalers, OEM manufacturers, and large-scale contractors, sourcing high-purity R32 is essential for servicing modern equipment and ensuring regulatory compliance.
Technical Specifications & Safety Data (ASHRAE A2L)
For engineers, procurement specialists, and safety officers, precise and reliable data is non-negotiable. The table below details the complete technical and safety parameters for our HFC-32 refrigerant gas.
| Property | Value / Specification | Standard / Notes |
|---|---|---|
| Chemical Name | Difluoromethane | - |
| Chemical Formula | CH₂F₂ | - |
| ASHRAE Designation | R32 | - |
| ASHRAE Safety Classification | A2L | Lower Toxicity, Mildly Flammable |
| Molecular Weight | 52.024 g/mol | - |
| Boiling Point (1 atm) | -51.7 °C (-61.1 °F) | - |
| Freezing Point | -136 °C (-212.8 °F) | - |
| Critical Temperature | 78.1 °C (172.6 °F) | - |
| Critical Pressure | 57.82 bar (838.4 psi) | - |
| Critical Density | 424 kg/m³ | - |
| Liquid Density (25°C) | 0.977 g/cm³ | - |
| Vapor Pressure (25°C) | 16.5 bar (239.3 psi) | - |
| Global Warming Potential (GWP) | 675 | 100-yr ITH, IPCC AR5 |
| Ozone Depletion Potential (ODP) | 0 | - |
Safety & Handling Note: As an A2L classified refrigerant, R32 requires specific handling procedures, dedicated tools, and technician training in accordance with local safety codes (e.g., EN 378, ASHRAE 15). It is not a drop-in replacement for R410A and must only be used in equipment specifically designed and labeled for its use.
R32 vs. R410A: Performance & Environmental Comparison Tel：+086-592-5803997
For businesses transitioning their inventory or manufacturing lines, understanding the key operational differences is vital:
Environmental Impact: The primary driver for adoption. R32's GWP of 675 is significantly lower than R410A's GWP of 2088, aiding compliance with regulations like the EU F-Gas regulation and EPA mandates.
System Efficiency: R32 often enables systems to achieve higher Energy Efficiency Ratios (EER) and Coefficients of Performance (COP), leading to lower operational energy costs for end-users.
Refrigerant Charge: Due to its favorable thermodynamic properties, R32 systems frequently require a smaller refrigerant charge to achieve the same cooling capacity.
Safety Classification: The most critical difference for technicians. R410A is A1 (non-flammable), while R32 is A2L (mildly flammable), necessitating updated safety protocols and training.
Applications: Air Conditioning, Heat Pumps & Chillers Tel：+086-592-5803997
This versatile low GWP refrigerant is specified for a wide range of modern HVAC/R equipment:
Residential & Commercial Air Conditioners: R32 is the standard R32 for air conditioners in most global markets, used extensively in split-system ductless and ducted units, as well as packaged terminal air conditioners (PTACs). It is the R32 AC gas specified by major OEMs.
Variable Refrigerant Flow (VRF/VRV) Systems: Its efficiency and capacity modulation make it the predominant choice for modern R32 refrigerant for VRF systems in commercial buildings.
Heat Pumps & Chillers: Employed in high-efficiency air-to-water and geothermal heat pumps for both heating and cooling, as well as in selected chiller designs.
Factory Tour Tel：+086-592-5803997
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R32 refrigerant supplier Tel：+086-592-5803997
As a leading R32 refrigerant supplier, we are structured to meet the diverse needs of the professional market. We provide flexible, reliable sourcing for businesses looking to buy R32 refrigerant.
Standard Service Cylinders: Supplied in the industry-standard disposable R32 refrigerant cylinder (21lb / 9.5kg), perfect for HVAC contractors and service fleets.
High-Volume & Bulk Options: For wholesalers, distributors, and OEMs, we offer R32 refrigerant in 1000lb recovery cylinders, drums, and bulk ISO tank shipments for bulk R32 for OEM manufacturing.
Guaranteed Quality & Full Documentation: Every shipment is backed by a Certificate of Analysis (CoA) guaranteeing purity. We provide the complete documentation suite required for professional use and transport: Material Safety Data Sheet (MSDS), transit documents, and compliance certificates.
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