What does it mean for refrigerants to be “non-ozone depleting”?

The term “non-ozone depleting” specifically refers to refrigerants that do not contain chlorine or bromine, which are substances known to contribute to the depletion of the ozone layer when released into the atmosphere. Chlorofluorocarbons (CFCs) and halons, for example, are notorious for their damaging effects on the ozone layer due to their chlorine and bromine content. As a result, refrigerants classified as non-ozone depleting are those that do not possess these harmful elements, thus helping to protect the ozone layer from degradation.

This understanding is vital as it highlights the environmental considerations associated with the use and manufacture of refrigerants, guiding the choice of materials in compliance with regulations aimed at protecting the atmosphere.