How long is aerosol paint good for?

The shelf life of aerosol paint typically ranges from 2 to 5 years, depending on the manufacturer and storage conditions. Proper storage is crucial to maintaining the quality and usability of the paint. Aerosol cans should be stored in a cool, dry place away from direct sunlight and extreme temperatures, which can compromise the integrity of the propellant and the paint itself. It is also important to shake the can periodically if stored for a long period to keep the paint mixed. Before using an older can of aerosol paint, it’s advisable to perform a test spray on a scrap material to ensure that the paint flows smoothly and has not thickened or clumped. Over time, the propellant may lose pressure, making it difficult to achieve a consistent spray. If the nozzle becomes clogged, it can sometimes be cleared with solvent or by replacing the nozzle. Following these storage guidelines can help maximize the lifespan and effectiveness of aerosol paint.

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