The first choice for drinking cups should be glass cups, especially for office and home users. The glass is not only transparent and beautiful, but among all the cups made of materials, the glass is the healthiest and safest. Glass cups are fired from inorganic silicates, and do not contain organic chemicals during the firing process. When people drink water or other beverages from glass cups, they don't have to worry about chemicals being drunk into their stomachs. ; Moreover, the surface of the glass is smooth and easy to clean, and bacteria and dirt are not easy to breed on the wall of the cup, so it is the healthiest and safest for people to drink water from a glass. But it should be noted that the glass is most afraid of thermal expansion and contraction, and the glass with too low temperature should not be filled with hot water immediately to prevent it from bursting.
The benefits of stainless steel mugs are that they are durable, rust and corrosion resistant. However, stainless steel cups are alloy products and contain more heavy metal substances, such as nickel, chromium, manganese, etc. If used improperly, these heavy metal substances are easily released and endanger health. Therefore, in daily use, be careful not to use stainless steel cups to hold acidic drinks, such as juice, coffee, carbonated drinks, etc.; do not hold soy sauce, vinegar, vegetable soup, tea, etc. for a long time, because the electrolytes in these foods may interact with them. Heavy metal substances in stainless steel react chemically, resulting in the precipitation of heavy metal substances. When washing stainless steel cups, do not use strong alkaline or strong oxidizing chemicals such as soda, bleaching powder, etc. These substances are also prone to chemical reactions with stainless steel.
Enamel drinking glasses are also a good choice. Enamel is a composite material in which inorganic glass material is melted and solidified on metal at thousands of degrees. Enamel coating on the metal surface can prevent rust, so that the metal will not form an oxide layer on the surface when it is heated and can resist the erosion of various liquids. Enamel products do not contain harmful substances such as lead, are easy to carry and clean, and are widely used as eating utensils and washing utensils used in daily life. Enamel cups have a disadvantage. Enamel cups are afraid of bumps, and the surface is prone to damage.