A double walled vacuum insulated water bottle puts a barrier between two different temperature molecules and stops the heat transfer.Warm your thermos by filling it with boiling water. Put the lid on. Let it sit for a few minutes then pour out the water. Once your thermos is warm, quickly add steaming hot food (at or above 74°C or 165°F) or boiling hot drinks and put the lid on tightly.A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that greatly lengthens the time over which its contents remain hotter or cooler than the flask’s surroundings.
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Temperature Display Vacuum Flask, Stainless Steel Water Bottle
₹343.00 ₹162.00
Category: ELECTRONIC GADGETS