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sashaice [31]
3 years ago
12

In an aerosol can used for spray paint, a highly compressed "propellant" helps move the liquid into a "dip tube" so that it can

be sprayed out. the valve through which the liquid sprays is usually closed, but when it is pressed down, it opens and allows material to pass through.
Biology
2 answers:
Degger [83]3 years ago
7 0
<span>The liquid rise up through the dip tube when the valve is opened.  </span>The propellant gas wants to expand as much as it can, so if the valve is open, the propellant expands and pushes the spray up out of the can making more room for itself to expand.
Makovka662 [10]3 years ago
7 0

"The propellant gas wants to expand as much as it can, so if the valve is open, the propellant expands and pushes the spray up out of the can making more room for itself to expand"

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