Plastic cups not only release some chemical substances after being heated, but are also prone to the growth of dirt. Although the surface of the plastic may appear smooth, there are actually many gaps, which can easily hide dirt and scale. In the office, most people only use clean water to clean the cups, and the cups cannot be thoroughly cleaned. It is recommended to use stainless steel or glass cups in the office, which should be cleaned every day, using detergent, and rinsing with hot water.
The colorful ceramic cups are very pleasing, but in fact, there are hidden dangers in those bright pigments, especially when the inner wall is coated with glaze. When the cup is filled with boiling water or drinks with high acidity or alkalinity, toxic heavy metal elements such as lead in these pigments are easily dissolved in the liquid. Drinking liquids containing chemicals can cause harm to the human body, and plasticizers are often added to plastics, It contains some toxic chemicals. When using plastic cups to hold hot water or boiling water, the toxic chemicals are easily diluted into the water, and the internal microstructure of the plastic has many pores, which hide dirt. If not cleaned thoroughly, it can easily breed dirt.
In addition, the cup is affected by static electricity such as computers and chassis, which can adsorb more dust, dirt, and bacteria, which can affect health over time. Therefore, a cover should be provided for the cup, and it should not be close to computers and other electrical appliances. In daily life, indoor air circulation should be maintained, and windows should be opened for ventilation to let dust go with the wind. For drinking water, it should be a glass cup, and do not think that the glass cup is only transparent and beautiful. Among all materials of cups, the glass cup is healthy, When people drink water or other beverages from a glass, there is no need to worry about chemicals getting into their stomach. The glass surface is smooth, easy to clean, and dirt is not easy to hide on the glass wall. Therefore, it is healthier for people to drink water from a glass.