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Brief introduction of Vacuum Vacuum flask
Sep 30, 2017

The Thermos Cup (Vacuum Cup) is generally made of ceramic or stainless steel combined with a vacuum layer of water container, the top has a lid, sealed airtight, the vacuum insulation layer can be installed in the internal water and other liquids to delay the heat, in order to achieve the purpose of thermal insulation.

Thermos flask developed from the vacuum flask, the principle of heat preservation and the same as the thermos, but people in order to facilitate the bottle into a cup.

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