Does the double wall glass cup keep warm

 What is the double wall glass cup?

There are many kinds of glass cup,  generally they are divided into single wall glass up, double wall glass up, crystal glass cup, glass office cup and so on. Double wall glass cup, as its name implies, is divided into two layers when it is in production, which can be used as heat insulation and anti-scalding. In addition, its raw materials are high borosilicate glass and food-grade glass. The double wall glass cup is fired at high temperature of more than 600 degrees. Usually it is made of high borosilicate glass tubes. The inside and outside tubes are baked by technicians under the sealing machine.

Does the double glasses keep warm?

Double glasses are mainly used for heat preservation and insulation. It can also store ice, many manufacturers have double-walk ice buckets.Besides, the vacuum double-layer cup is usually manually blown. The middle layer is not vacuum at all, there is a vent at the bottom of the outer layer of the cup in order to discharge gas during the blowing process and prevent the cup from deforming and bursting ,so please seal the hole after the completion of production.In addition, there is a gas in the middle. If it is a vacuum, the glass will make a loud sound when it is broken, and it will blow up glass fragments, which is easy to hurt people.

What are the advantages of double glass cup?

1.It doesn't stick to other flavors

In the making process, the double wall glass water cup is not strong in absorbing other flavors because of the excellent materials. Therefore, even if you want to drink light water after brewing strong tea, you will not smell the taste of strong tea before brewing.

2.Rubbing

In the process of making double wall glass water cup, because of the high hardness of materials, the double-layer glass water cup is specially resistant to friction because of the high hardness of materials So for people who have dishwashers at home, double wall glass cups are convenient and durable glassware, because dishwashers can clean double glasses directly without worrying about the quilt being damaged.

3.Good material

Compared with the ordinary glass, the material of the double wall glass water cup is stronger and the double wall glass water cup is more compact. The glass is not easy to be stained by water in the process of use, and it is more convenient to clean.

4. Not easy to crack

Double wall glass cup have higher technological requirements than single wall glass cup. Because of higher technological requirements, double wall glass cups are not as easy to crack as single wall glass cup.

5.More unique appearance

In the process of making double wall glass cup,  there is a layer of the glass inside and a layer of the glass outside, so from the appearance, it looks better than single wall glass cup, and its aesthetic value is more extensive .