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How to Make a Simple Thermos Flask from Plastic Bottles?

by Patricia Franklin on May 11, 2019

Have you people ever done something creative in your entire life? Well, some people have done something creative.

Like to make something valuable for the old product like that.

So similarly like that will guide you that how one can easily make the thermos flask form the plastic bottle.

Thermos Flask

I know there are different methods which have been introduced to make the thermos flask from the plastic bottle.

But all of them won’t give some proper guideline through which you can easily find the right solution and make the thermos flask form plastic bottle.

Like people really need the alternative of everything. Thermos flask has its own function and advantage and no one can really replace it.

Also Read: Thermos Flask vs Vacuum Flask 

Sometimes you may face some problem and at the time.

When you really need the thermos it won’t available.

Have you thought to make the thermos flask from the plastic bottle?

No, I don’t think so that you people have thought about making the thermos flask from the plastic bottle. Don’t Worry!

We can guide you through this article about the process to make a thermos flask through the plastic bottle.

Thermos Flask

We will guide you people in a very simple way that won’t be any problem for you anymore.

Like you people can easily make the homemade thermos flask by your own self. Make sure that you follow the steps carefully.

Because these steps are designed in a way that if someone skips one of these steps then they would be stuck in the mid of making the thermos flask.

Is this thermos flask work well?

Yes, many people think that the alternative way of making the thermos flask won’t work well.

Yes, I agree up to some extent.

But as we know that there is a huge difference between the actual and the manmade thermos flask. But one thing that I want to remind you that the best way to use the alternative of the thermos flask is through the plastic bottle.

Sometimes you people don’t have the real thermos flask.

And you will be in great need of the flask. So at that time, the best thing that also works for you is the thermos flask that is made through the plastic bottle.

The real function of the thermos flask makes the thing insulated in from being cold.

This could also be done in the thermos flask that is being made through the plastic bottle.

Also Read: How Does a Thermos Flask Work? 

You won’t have to worry that this thermos flask will not do his work well. Mostly these types of creative thing are given to school and college level.

As they are being assigned with the mini project to make the thermos flask from a plastic bottle.

So through this article, you can easily make your own thermos flask through the procedure which I will be mentioning here.


The Process To Make Thermos Flask

Thermos Flask

  • First of all, you have to cut the top off of three two-liter bottles with scissors to make them generally a similar stature as the one-liter containers. The bigger containers will fill in as the outside of the insulated flask. Ensure the containers are spotless. Apply veiling tape around the border of the slicing edge to shield yourself from coincidental damage.
  • In the second step, you have to paste the 1-liter bottle in between the center of the 2-liter bottle. As this could be done with the help of glue.
  • In the step, you have to fill the area between the 2 bottles with the help of the insulating material. Yes, the insulating material can be bought through the craft store or some other online store.
  • In the very last step, you have to use the tape that will join together both the bottles and make sure that the insulating material that you have to use should stay in a place. The thermos is being ready. Enjoy!

Like through these simple step you will really make the thermos flask from the plastic bottles.

As you have carefully read the procedure that I think that it isn’t that many difficulties to do.

You can also this step to make your school or college science project.

Material that uses in making thermos flask:

Now we will write about the material that you will need to make the thermos flask. Here is a list of the materials.

  1. You will need 1 plastic bottle of anything that would be in the range of 2 liters.
  2. One bottle of glass or aluminum that would be in the range of 1 liter.Yes, the important material i.e. glue.
  3. The insulated material i.e. sand, foam beads, isolating polyfill, etc.
  4. The last but of very importance i.e. scissor.

These are the important material that you will need in the whole process.

Make sure that you must have all of this material so that you won’t take much time to make the thermos flask.

Also Read: Types of Thermos Flask 

Like those who have all of these material and know about the step can make the thermos flask in less in 30 minutes.



So what are you waiting for do and make your own homemade thermos flask?

Then test that thermos flask by adding something into it. I’m 100% sure that this will also work the same as that of the actual thermos flask.

The thing is that you have to use the right and quality material while making the thermos flask. That won’t disappoint you at all.


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