Leak Rate. It is common for MDIs to lose propellant during storage. The propellant-leak rate of the test MDIs was compared with that of the controls (Figure 3). The leak rates for the Proventil ...

In 1929, Norwegian scientist Erik Rotheim patented a way to distribute liquids via an aerosol can for the first ... gas that Rotheim had used as the propellant needed to make the spray can concept ...

The chemicals are also used as aerosol propellants, fire retardants and in the manufacture of foamed plastics. Hydrofluoroolefins (HFOs), which react rapidly in the lower atmosphere, have emerged ...

The main responsible for the hole in the ozone layer, chlorofluorocarbons gases (CFCs), which were used as a refrigerant and propellant in aerosols, have been banned by the Montreal Protocol of 1987.

The company has a recycling facility that allows every single part of the aerosol to be recovered or recycled, with the propellant gases re-purposed for use in other industries. The metal ...