The difference between Hot Insulated Glass Cup and high borosilicate glass cup
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The main component of Hot Insulated Glass Cup is silica, which is an amorphous inorganic non-metallic material. It is generally made of a variety of inorganic minerals, such as: quartz sand, borax, boric acid, barite, barium carbonate, limestone, often , soda ash, etc., and made by adding a small amount of auxiliary raw materials.
High borosilicate glass is a kind of glass with enhanced refractory performance. On the basis of ordinary glass components, 12.5~13.5% boron is added. During the manufacturing process, glaze water glass sand, soda water and lime need to be added. The strain temperature can reach 520°C, and the strength is also higher.
Compared with Hot Insulated Glass Cup, it has a lower coefficient of thermal expansion: (3.3±0.1)×10-6/K, only about 1/3 of ordinary glass. That is to say, the deformation after heating is smaller, so it is less likely to break after being heated and cooled. Everyone should have this kind of experience, pour boiling water directly into a thicker glass in winter, and the glass will crack immediately.
In addition, water resistance, alkali resistance, acid resistance and other properties are much stronger than Hot Insulated Glass Cup. Of course, it does not mean that high borosilicate glass will not break when heated, but it is not so easy to break compared to ordinary glass, so if you buy high borosilicate glass, you still have to be careful.
The thermal insulation tiles of the space shuttle are also coated with high borosilicate glass, which shows how strong the performance of high borosilicate glass is.
It is also because the performance in all aspects is stronger than that of Hot Insulated Glass Cup, so the price is also higher. Among all the materials of the cup, the glass is the healthiest. First, because the main component of the glass is particularly stable, does not contain organic chemicals, and hardly reacts with anything; second, because the surface of the glass is special. Smooth and easy to clean.
Hot Insulated Glass Cup
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