2. Different prices: cheap glasses are cheap, but expensive glasses are not.
3, different heat resistance: cheap glasses have worse heat resistance than expensive ones.
This kind of glass contains no organic chemicals in the firing process. When drinking water or other drinks from a glass, you don't have to worry about chemicals being drunk into your stomach. Moreover, the glass surface is smooth and easy to clean, and bacteria and dirt are not easy to breed on the glass wall. Therefore, drinking water from the cup is healthy and safe.
Extended data:
Precautions:
1, when cleaning the cup, not only the cup mouth, the cup body, the bottom of the double glass and the cup wall should not be ignored, especially the bottom of the cup. If it is not cleaned frequently, many bacteria and impurities may precipitate.
2, such as after a long time of use, the liner produces heavy tea dirt, can pour a small amount of disinfectant to soak for a period of time, and then rinse with water to make it as bright as new. Please clean the external surface directly with a mild detergent and a soft cloth. Every part must be cleaned after each use.
3. Glassware is easy to burst when it is overheated or supercooled, and the use environment with too large temperature difference should be avoided. Usually, the temperature difference above 80 degrees will cause the container to expand with heat and contract with cold, which will easily lead to cracking. Unless otherwise specified, please try to avoid using utensils to contain overheated or supercooled water.
4. Before pouring hot water, you can pour a little, shake the vessel to make it fully contact with hot water, thus preheating the vessel, and then pouring hot water, which can prevent the vessel from bursting due to excessive temperature difference.
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