ImportantBed

Wednesday, August 18, 2004

Propellant

Any gas, liquid, or solid the expansion of which can be used to impart motion to another substance or object. In aerosol dispensers, compressed gases such as nitrous oxide, carbon dioxide, and many halogenated hydrocarbons are used as propellants. The propellant may remain in gaseous form (nitrous oxide or carbon dioxide), or it may liquefy under pressure. Food products,

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