What kind of travel mug keeps coffee warmer: plastic, stainless or ceramic?

What kind of travel mug keeps coffee warmer: plastic, stainless or ceramic?

You can check the answer of the people under the question at Quora “best travel mug that keeps coffee hot

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  1. When selecting a to go coffee mug for sipping your favorite brew on the go, one of the most fundamental decisions you’ll make is what material you want the tumbler made from. There are three main options: plastic, metal and ceramic.
    The material you settle on will have an impact on your coffee’s flavor. Here’s a look at how plastic, stainless steel and ceramic coffee mugs impact a brew’s taste. Taste is just one factor you’ll want to consider when selecting a mug.
    Over time, plastic absorbs odors and flavors. To see just how much a plastic mug can absorb, fill an old plastic mug up with coffee and drink it. Then, wash the mug out and put tea in it. When you try the tea, you’ll likely notice hints of coffee that give the tea an off-flavor.
    You also may not want a plastic French press for this reason. If you only drink coffee from your mug, the flavors that the plastic absorbs won’t be as noticeable as when you had tea in the mug.
    Over time, however, flavors can aromas can collect that make identifying finer notes of coffees difficult, if not impossible. Stainless steel doesn’t absorb flavors, but it sometimes imparts off flavors into coffee.
    Whether this happens because of poor construction finishes that leech into beverages or is due to a reaction between one of coffee’s 1,000 plus compounds and the metal isn’t always clear. It also doesn’t always happen.
    Coffee drinkers sometimes report that metal tumblers give their brews odd notes, though. For flavor, ceramic is the best choice. It neither absorbs nor imparts flavors, leaving coffee to taste just as it should.
    No matter what kind of mug you select, a double walled one will keep your coffee hotter longer than a single walled one. The difference is especially noticeable during winter with Steel City Marketing and ceramic mugs, which are susceptible to heat loss.
    Ceramic does keep coffee hotter longer than glass, but we’ve yet to see someone make a travel mug out of glass, anyways. Since coffee changes as it cools, keeping it as hot as possible as long as possible can let you enjoy all the fine notes in a brew.

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  2. Any vacuum insulated mug will out perform any non vacuum insulated mug by a huge margin.
    The fact that heat does not conduct/convect through a vacuum is a benevolent gift of nature that should be exploited well beyond the thermos bottle, and occasional coffee mug.
    So get the vacuum one, which will likely be stainless and of course double walled, But make sure it say’s vacuum insulated, I have seen double walled stainless, yet not vacuum insulated, which to me is inexplicable, to go to the trouble of making such a thing and to not suck the air out of it, wtf?

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  3. Dean here, from Joeveo, a mug manufacturer.
    The answer to this question is easy: a vacuum-insulated stainless steel mug will keep your coffee the hottest, always.
    This is because the vacuum layer does not conduct heat from the inside of the mug to the outside. A simple “double wall” mug has an air layer that conducts some heat, and a foam-insulated mug has foam that conducts heat—not much, but a hundred times as much as a vacuum does.

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