The problem of air pressure difference inside and outside the bottle is common in daily life.
1、
The packaged liquid is hot, and after you seal the bottle, when the liquid inside is at room temperature, you find that the bottle is crushed.
2、
The packaged liquid is cold, and after you seal the bottle, when the liquid inside is at room temperature, you find that the bottle swells.
3、
The packaged liquid has gas, and after you seal the bottle, when a certain amount of shaking, the gas in the liquid is released into the air in the bottle, you find that the bottle swells.
4、
The packaged liquid reacts chemically with the air inside the bottle, and after you seal the bottle, the air in the bottle is reduced, you find that the bottle is crushed.
5、
You pack liquids at high altitudes. After you seal the bottle, transport it to lower altitudes , you find that the bottle is crushed.
6、
You pack liquids at low altitudes. After you seal the bottle, transport it to high altitudes, you find that the bottle swells.
To solve these problems, we have a simple and good way.
Please click on the video to view it.
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