Packaging gas

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A packaging gas is a gas used to pack sensitive materials in a modified atmosphere. It is usually inert, or of a nature that protects the packaged goods, thus inhibiting reactions such as spoilage. Some may also serve as propellant for aerosols like whipped cream.

For packaging food, various gases are approved. Their E numbers are in parenthesis:

Specific kind of packaging gases are aerosol propellants:

References

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