Hydrocarbons: The Burning Truth

Understand the differences in flammability properties between A3 and A2L refrigerants

Making a safer choice

mild flammability icon w dotted line v2.pngWhen choosing a low global warming potential (GWP) refrigerant solution for your equipment installations, it’s important to understand the key differences in flammability between A3 gases compared to A2Ls.

Do you know what these differences are?

Flammability_helmetcylinder.pngRefrigerants with very low global warming potential (GWP)
EU regulations are driving the refrigeration industry to replace hydrofluorocarbon (HFC) refrigerants with new low-GWP alternatives for long-term sustainability.

Register to download our infographic AND to watch our video with a live simulation of a leak scenario and educational commentary from an independent refrigerant flammability expert.


You will learn

shield.png The main parameters impacting refrigerant flammability
shield.png The typical flammable behaviour of A3 and A2L refrigerants in a potential leak scenario
shield.png Which gas is harder to ignite and why

Access the video

About us


The Opteon™ portfolio contains solutions that meet the most stringent air conditioning, refrigeration, thermal management, foam blowing, and cleaning requirements while reducing their overall environmental impact. Opteon™ refrigerants, which are based on hydrofluoroolefin (HFO) chemistry, offer the optimal balance of environmental sustainability, performance, safety, and cost to help meet both regulations and business goals.


Chemours is a chemistry company driven by its purpose to create a more capable and cleaner world through the power of chemistry. Built upon a 200-year-old legacy and a world-class product portfolio, the company brings everyday convenience to virtually everything people touch—in industries ranging from automotive, paints, and plastics to electronics, construction, energy, and telecommunications.

Which gas is harder to ignite and why?