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Question:

Why is coated in vacuum flask laminated metal silver

Why is coated in vacuum flask laminated metal silver

Answer:

Silver is to protect the vacuum..Well, thermal radiation is also the reflection of some
In addition, don't think that is silver heat preservation performance is good, is the best metal conductivity and thermal conductivity of silver
You don't have to think too complicated! Chemical stability of silver, silver mirror is also easier, at no cost materials;

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