Detailed content: Can be vacuum cup put refrigerant? Hear ice expands is vacuum cup broken? Is glass also no good?
The answer: Yes. Of vacuum cup design a design in the light of 3
１ - hot conduction - it is plastic Gai Lixiang enters cork normally. The conduction that prevents heat [only vacuum flask just has] 2 - hot convection - vacuum cup [bottle] there is a design inside the body. Layer of a vacuum. Prevent to heat up contact and convection. Reduce be lost of heat energy source 3 - hot radiate - heat has radiation cannot see. Go up in the wall in vacuum layer so silver-gilt. If be put in vacuum cup,reflex heat radiation ＊ as to freezer in. Because hot account is cold,shrink principle. Bag lukewarm cup is designed originally even if preventing heat to come loose is [his itself is accordingly right (hot account) have those who comparative defend, but do not suit (cold shrink) exciting] place freezer to also make it cannot bear so cold pressure causes interior construction easily instead to bend be out of shape. Make cannot develop a function. ＊ glass is cold to heating up account shrink the principle will explain. Cold to heat up or be opposite for the glass that has fixed rate. It is OK put it into freezer refrigerant, attention [the cup is lukewarm need to be in room temperature normal - and glass mouth does not close not excessive is full at cup mouth. Will bring about frozen liquid bulk to expand. If close heal is easy bring about a cup to be out of shape - ] ＊ however glass also is to heating up a liquid very much the same at refrigerant. Also be to need hot water of normal temperature remove theatrical makeup and costume. Notice glass [refrigerant already] desire glass kind the liquid retreats ice. Cannot pour hot water directly. Glass cannot bear to change hot rapid pressure by ice. Bring about glass body to be able to have the state that Lie splits so. Serious word. Make cup body damages entirely. Identical. It is by hot change cold. Also be to be able to cause cup body damage
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