Although there are more and more types of cups, glasses still occupy an important position in the cup market. Many people love glasses and think that the material of glass is healthier for water. Even in the cold winter, many people use thermos cups, but glass lovers still use double-layered glasses. Many people must know that the big difference between double-layer glass and single-layer glass is that double-layer glass generally has a sealing ring. What is the function of this sealing ring? Let's find out together! glasscookware.

double glass

1. The main purpose is to keep the material in the double-layer glass fresh and non-toxic and tasteless.

2. It can make the double-layer glass cup have good sealing performance, waterproof and leak-proof.

3. The sealing ring has good tensile strength and has been specially inspected and tested.

4. It can be heated at high temperature without deformation and no harmful substances.

The obvious function of the sealing ring of the double-layer glass cup is to better keep warm. Generally, the double-layer glass cup has a thermal insulation effect, so it is necessary to install a sealing ring on the lid to achieve a better thermal insulation effect. Well, today's sharing is here. Whether it is a double-layer glass quilt or a single-layer glass cup, you can clearly see whether the cup is clean or not, which is convenient for timely cleaning.