Vacuum flask is also called ‘‘thermos bottle’’ and is a kind of insulated container made from inner container that is a double-deck wall bottle and has been pumped vacuo inside and outside shell as well as can be commonly seen in our daily life. Today I would like to inform you of the classification and usage of vacuum flask as follows.
The first kind is small mouth type. The mouth diameter is small and this kind of vacuum flask has very good thermal insulation property. Besides, it is mainly used for boiled hot water, decocted hot Chinese medicine juice, hot beverage and cold beverage and so on.
The second one is big mouth type. This kind of vacuum flask is usually called ‘‘ice bottle’’ and its mouth diameter is big, so it is convenient to take or put items inside it. Furthermore, it is mainly used for ice block, water ice, cold drinks with container, cold potions, liquid gas, anti-ferment materials and so on. Meantime, it can also be used for hot food, hot drinks with container and so on.
The third one is cup type. This kind of vacuum flask is usually called ‘‘vacuum cup’’ and its mouth diameter is big as well as its capacity is small. Moreover, it is mainly used for decreasing the effect of environment temperature on inner mass within a short period time.
All in all, I sincerely hope that all above important information can be useful and helpful to all of you. Many thanks!