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WHY THERE IS A TAIL ON THERMOS‘ GLASS LINER ?
2017-11-29
Have you ever put a Plastic coffee jug apart?
As shown:


If you do, you will found a galss bottle. It will with  no colour or red colour.
And the glass bottle is oval and with a little tail on the bottom.
As shown:


"Why there is a tail? Can it be removed?

         Ummm, "No" is definitely the only answer. As we know, why thermos be a thermos is because of "Vacuum" tech. It made to keep hot and warm. We combine two pease glass together and leave a vacuum space between to protect the heat transfer. 
That thermos yellow tail, it is evacuation of the glass layer of air, pumped finished then we seal the mouth. if you broke the small tail, which means you broke the thermos hollow state.
Well, little tips for you: glass liner might expensive than the outer PP jug! Golmate is your best chooseif you have looking for good quality thermos.

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Tel: 020-83831015
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