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Do Black Mugs Keep Coffee Hot?

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A black mug has a slightly higher emissions coefficient than a white one in the wave range relevant to thermal radiation, but the difference is not large. A black mug therefore cools slightly faster than a white one , but in most cases the difference in the cooling speed is tiny. What mugs keep your … Read more

What Is A Thermal Mug?

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insulated mug was designed to maintain temperature of contained beverage as long as possible That leads to the optimal temperature of your coffee or tea kept for many hours. Do thermal mugs keep drinks hot? The tumbler is made from high-quality stainless steel and fits in standard cup holders, and its double-walled insulation keeps drinks … Read more