For long days spent in the lab, far far away from the coffee machine, or for
those with a strong distain for lukewarm drinks, this Chemistry & Lab Science
Flask has got you covered. Let it inspire you to make brilliant experimental
setups and exquisite data sets.
Fill it with your favorite mulled hot cider or cold brew, and even if you don't
get around to drinking it for hours, you can expect to find your beverage ready
and waiting for you at the right temperature. The BPA-free flip cap seals
tightly, so it won't leak all over your bag, and you don't have to take the lid
off in order to enjoy your drink.
Here's how it works: the space between the inner and outer flask wall is
evacuated, creating a vacuum (well, a partial vacuum anyway…). In order for
heat transfer to take place from the outside world into your cold drink, or
from your hot drink to the outside world, it needs nearby molecules to excite.
If there aren't many molecules nearby, as is the case in a vacuum, the heat's
energy can't easily be passed along, so your drink stays close to the
temperature it was when you put it into the flask for a really long time.
Simply stated, vacuums make great thermal insulation!
* Size: 18 ounces
* Width: 2.75"
* Height: 8.75"
* Opening: Wide Mouth
* Material: High-grade stainless steel
* Cap Material: BPA-Free Plastic
* Care: Hand Wash (do not wash in dishwasher)
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