Pai Air Products

Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily unreactive substances become reactive;Argon is used to displace oxygen- and moisture-containing air in packaging material to extend the shelf-lives of the contents.Argon is sometimes used as the propellant in aerosol cans.

Argon is also used as a preservative for such products as varnish, polyurethane, and paint, by displacing air to prepare a container for storage.