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Aerosol Cans



The other day, while I was dusting my bookshelf, I realized that aerosol cans are used for so many products, and are used so frequently in our everyday lives. I wanted to better understand the physics behind these cans, so I did some research. I found out that a fluid called the product, which boils well above room temperature, is first poured into the can. Then, a fluid that boils below room temperature, called the propellant, is pumped into the can in its gaseous form at high-pressure, so that when the plastic head is pushed down, the propellant is pushed down with enough force to squeeze/spray out the product.


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