What problems will occur in the daily use of plastic water cups?(two)
In the hot summer, especially those days when the heat is unbearable, I believe that many friends will bring a glass of ice water when they go out, so that it can have the effect of cooling off at any time. Does that mean that many friends have a habit of pouring water into a plastic water cup and putting it directly into the refrigerator freezer for freezing?
Because everyone knows the problem of drinking water hygiene, so many friends pour hot or warm water into plastic water cups and put them into the freezer immediately. In particular, some friends try to save trouble and fill the water cup as much as possible, thinking that the capacity of freezing into ice will be larger when it is used, and the use time will be longer, but this approach is wrong.
First of all, no matter what kind of material the plastic water cup is made of, it has a temperature difference limit. Some plastic materials do not have a high temperature tolerance limit. Once the limit is exceeded, the cup body will explode and crack. It can be used for a period of time if it is mild, and it can no longer be used when it is serious.
Secondly, I believe that most of my friends know that water will expand with heat and contract with cold at a certain temperature. The material of the plastic water cup itself has a certain degree of ductility. When the water level in the water glass is too full, the volume increases and expands during the process from water to ice through freezing. However, due to the ductility of the plastic material, did some friends who did this operation find that the water cup was deformed, and after the water was melted and completely used, the deformed water cup would not return to its normal state, which is unacceptable Reverse the damage.
Finally, let's talk about the cleaning of plastic water cups. Because plastic water cups can carry a lot of ice drinks, these ice drinks include carbonated drinks, dairy drinks and milk tea drinks.Many friends can't clean it thoroughly after use. This is mainly due to liking in personal life, too large and too high water cups, and unsatisfactory cleaning utensils. Then the part that has not been cleaned is very likely to be moldy in summer, and frequent use of such a water cup to drink water will cause frequent diarrhea.
Let me offer you a suggestion. When you find that your hands cannot be completely put into the cup and there is no suitable tool for cleaning, then fill the water cup with one-third of the water level. Then tighten the lid of the cup and shake it vigorously up and down, left and right, for about 3 minutes, and use it repeatedly for 2-3 times, usually the water cup can be cleaned. It would be even better if there is some suitable detergent or edible salt when cleaning.
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