When it comes to glassware, there are always questions about whether or not it's safe to use in the microwave. Glass is a popular material for cups because it's durable, stylish, and easy to clean. But what about double glass cups? Are they microwave-safe? In this article, we will explore the safety of double glass cups in the microwave.

Double glass cups are cups made of two layers of glass. The two layers are fused together to create a vacuum between them, which helps to insulate the contents of the cup. This insulation property helps to keep hot drinks hot and cold drinks cold for longer periods of time.

Glass cups can be divided into single-layer glass cups, double-layer glass cups, crystal glass cups, glass office cups, glass mouth cups, etc.

Double-layer glass, as the name suggests, is the glass is divided into two layers when it is made, which can play a role of heat insulation and anti-scalding when used

The raw material of the double-layer glass is high borosilicate glass, food grade catering grade glass, which is fired at a high temperature of more than 600 degrees, usually made of high borosilicate glass tube, and the inner and outer tubes are baked by the technician under the sealing machine It is a new type of environmentally friendly tea cup, which is more and more popular among people.

As a new product in the cup, double glass has become the best tea set for drinking tea, especially for brewing all kinds of famous tea. 

The tea set is crystal clear, which is not only suitable for viewing but also has the best tea making effect. At the same time, 

the glass is cheap and good quality, and it is very popular among consumers. The glass has the following advantages:

1. Material: The cup body is made of high-quality borosilicate crystal glass pipe, with high transparency, wear resistance, smooth surface, easy cleaning, health and hygiene;

2. Structure: The double-layer heat insulation design of the cup body not only keeps the temperature of the tea soup, but also not hot, it is more convenient to drink;

3. Process: fired at more than 600 degrees high temperature, it has strong adaptability to temperature changes and is not easy to burst.

4. Hygiene: food-grade standard, it can hold hot water, tea, carbonic acid, fruit acid and other beverages with high temperature of 100 degrees.

5. Leak-proof: The inner and outer layers of the cup lid and the sealing ring comply with medical-grade safety standards, and are effectively leak-proof.

6. Suitable for drinking tea: green tea, black tea, Pu'er tea, scented tea, craft scented tea, fruit tea, etc., the soup color has a panoramic view and enhances the taste of life.

7. Advertising cups, gift cups, image cups, promotional cups, etc. can be customized according to customer requirements, and the inner surface (interlayer) can be baked, silk screen Logo and other custom design services

Can double glass cups be microwaved?
The answer to this question is not straightforward. Some double glass cups can be microwaved, while others cannot. It all depends on the specific cup. Some double glass cups are made with materials that can withstand the heat of the microwave, while others are not.

What are the risks of microwaving double glass cups?
The main risk of microwaving double glass cups is that they can shatter. If the cup is not microwave-safe, the heat from the microwave can cause the air between the two layers of glass to expand rapidly, which can lead to the cup breaking. This can be dangerous, as the hot contents of the cup can spill and cause burns.

What are the alternatives to microwaving double glass cups?
If you're not sure if your double glass cup is microwave-safe, there are other ways to heat up your drink. You can use a separate microwave-safe container or heat the liquid on the stove. If you're in a hurry, you can also use a single-layer glass cup, which is more likely to be microwave-safe.

FAQ:

1. Can I put hot liquids in my double glass cups?
Yes, double glass cups are designed to withstand both hot and cold liquids, thanks to their insulating properties.

2. Can high borosilicate glass pour 100 degree hot water directly?

High borosilicate heat-resistant glass, instant temperature difference -20℃ ~ 150℃, boiling water is 100℃, 

because of the special material of heat-resistant glass, after placing the glassware in the refrigerator for 12 hours,

 it is no problem to put it directly into boiling water

3. Can I put my double glass cups in the dishwasher?
It depends on the specific cup and manufacturer's instructions. Some double glass cups are dishwasher safe, while others are not. Check the product information or contact the manufacturer for more information.

4. Can double glass be burned directly?

Double-layer glass can not be directly heated by open flame, because there is air in the middle compartment, 

there is a risk of explosion in microwave and oven

5. Is the double-layer glass product a vacuum? Why is there a hole at the bottom?

The double-layer glass products are not vacuum, and there is a vent hole at the bottom of the outer layer, 

in order to exhaust the gas during the blowing process to prevent deformation and bursting. After the production is completed, the hole is sealed.