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Aerosol Machinery

Aerosol spray is a type of dispensing system which creates an aerosol mist of liquid particles.

This is used with a can or bottle that contains a liquid under pressure. When the container’s valve is opened, the liquid is forced out of a small hole and emerges as an aerosol or mist. As gas expands to drive out the payload, only some propellant evaporates inside the can to maintain an even pressure. Outside the can, the droplets of propellant evaporate rapidly, leaving the payload suspended as very fine particles or droplets.

The most common gasses used in aerosols are mixtures of volatile hydrocarbons, typically propane, n-butane and isobutane. Dimethyl ether (DME) and methyl ethyl ether are also used. All these have the disadvantage of being flammable. Because the gasses are flammable, specialized gas houses are used during the gassing process and after a test hot water bath is required to test for leaking cans by the Department of Transportation regulations.


Modern aerosol spray products have three major parts: the can, the valve and the actuator or button. The can is most commonly lacquered tinplate (steel with a layer of tin) and may be made of two or three pieces of metal crimped together. Aluminum cans are also common and are generally used for more expensive products. The valve is crimped to the rig of the can, and the design of this component is important in determining the spray rate. The actuator is depressed by the user to open the valve; a spring closes the valve again when it is released. The shape and size of the nozzle in the actuator controls the spread of the aerosol spray.

MBC Aerosol manufactures the machinery and stations required to assemble and fill the aerosol package. Through our partners and affiliates we are able to offer complete turnkey solutions to our customers. Please contact sales@mbc-aerosol.com for a quote.