How to Repressurise an Aerosol Can

How to Repressurise an Aerosol Can?- 6 Effective Methods

To fix any problem regarding chemical issues is a matter to worry about. And when it comes to the fact of repressurizing your aerosol can, there are certainly some points you need to know about.

An aerosol is a much-needed thing in our daily life. So, we should know the ins and outs of this item to make the best out of it.

In this article, you will get all the answers you had in your mind regarding this topic.

Why Should you Re-use your Aerosol Can?

As we know, the world is already suffering many unusual changes like- greenhouse effect, uncertainty in climate change, ice melting, etc. It’s sad but true that most of these happen because of chemical wastage. 

So, it’s obvious that we need to try as much as we can to avoid the wastage, and refilling your can is a step towards it.

6 Easy Ways to Repressurise an Aerosol Can Like a Pro

Here are some effective but essential points to help you with your problem in a real quick time :

1. Be Aware of the Content

To refill your can, incipiently, you need to know which materials your manufacturer used to fill the Aerosol bottle. He might have used compressed air or inert gas as the content. There might be some other contents too which are unknown to you.

As most of these materials are sensitive to air, you should be careful enough before starting the process.

2. Use Air Compressor

Take off the cap of the bottle at first and you’ll see the nozzle. Then test the compressor if it’s working properly or not. Now stick the compressor on the nozzle and place it correctly. Give it a squeeze to release the maximum amount of air.

As you don’t know what the actual pressure is, not going above 30psi would be a better option. Meanwhile, put the cap back on and your can is ready to spray!

3. Make Use of Tubeless Tire Valves

You can buy a pair of those from your nearest shop or you can also take them out of old tires. As the valves are made of rubbery elements, it helps you to add air and also seals the space, so that the air does not flow out of the can.

To repressurise the aerosol bottle, remove the nozzle of it and attach the valve to its stem. Set the valve and stem in an appropriate way and pump air to the maximum psi.

4. Take the Help of Correct Propellant

Generally, pressurized inert gas like- nitrogen, nitrous oxide, etc. can be used as a propellant. The main motive is not to use simple natural air. Because oxidized gas is way more effective and useful.

To start the process, you need to push the propellant into your can through the nozzle. An adapter is a must here to ensure the proper supplement of air.

5. Utilize your Aluminium Spray Can

You can easily use your Aluminium Pump Can that you’ve used earlier. If you don’t have it, then go to a dollar store and buy the spray can. Before you purchase it, remember to check if it’s working or not.

Punch a hole in your aerosol can and strain it into a paper-cup. Place the material in the spray bottle and use it like the previous time.

6. Heat Via Flame

Though a bit tricky, this option is the easiest of the other ones. If you are brave enough to take the risk, do a test spray to check the heat and pressure.

Firstly, you need to hold the can over the flame for a minimum of 50 seconds to a maximum of 1 minute. Check if the flame is covering the overall area of your container. If the answer is yes, then do it on a repeated basis. 

But don’t leave the can for too long or this might lead you to a serious situation! 

Precautions you Must Follow 

Nowadays, these cans are made in a way that people can easily repressurise it through their daily life hacks. But still there remain some safety measures you need to ensure:

1. Do not maximize the temperature over 100 degrees Fahrenheit.

2. Use the cans compatible with the machine as supplied by your manufacturer.

3. Never take off your eyewear and gloves during the operation.

4. Keep a fire extinguisher for safety codes.

5. Wash yourself properly after finishing the process and properly dispose of if any content is left.


It might seem difficult if you are doing the process for the first time. But having a basic knowledge of temperature and pressure would guide you to make the best use out of it. 

When you think you are ready, just follow this article and start your work!

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