Disposable paper cups are common in people's lives, so what are the uses of disposable paper cups? Let’s take a look with the editor today.
Disposable paper cup is a kind of paper cup that is convenient to carry and use, and is low-priced. It is a common drinking tool in many homes and public places. It uses recycled polyethylene, which will produce cracking changes during the reprocessing process, and produce many harmful compounds, which are more likely to migrate into the water during use.
The greater function of the paper cup is to hold beverages, such as carbonated drinks, coffee, milk, cold drinks, etc. This is its basic purpose.
Beverage paper cups can be divided into cold cups and hot cups. The cold cup is used to hold cold beverages, such as carbonated beverages, iced coffee, etc.; the hot cup is used to hold hot beverages, such as coffee, black tea, etc.
Distinguish between cold paper cups and hot paper cups. They "perform their duties". Once "displaced", they will threaten the health of consumers. The surface of cold drink paper cups should be treated with wax spraying or soaking wax. Because cold drinks will cause water on the surface of the paper cup, the paper cup will soften, and it will be waterproof after being coated with wax. This wax is very stable and safe at temperatures between 0 and 5°C.
But if it is used to hold hot drinks, as long as the temperature of the beverage exceeds 62℃, the wax will melt and the paper cup will absorb water and deform. The melted paraffin has a high impurity content, especially the polycyclic phenhydrocarbon organic compound contained in it, which is a possible carcinogenic substance. It will endanger human health if the beverage enters the human body. A special polyethylene film will be stuck on the surface of the hot drink paper cup, which not only has good heat resistance, but is also non-toxic when immersed in high-temperature beverages. Paper cups should be stored in a ventilated, cool, dry and non-polluting space. The storage period should generally not exceed two years from the date of production.
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