Glass cups can be divided into single-layer glass, double-layer glass, crystal glass, glass office cup, glass cup and so on. Double-layer glass, as the name suggests, is a glass that is divided into two layers when it is made, which can play a role in heat insulation and anti-scalding during use.
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. It is usually made of high borosilicate glass tube, and the inner and outer tubes are baked by a technician under a sealing machine. It is a new type of environmentally friendly teacup, which is more and more popular with people.
Divided from the style, mouth cup and office cup (with handle);
From the material point of view, the cup body tube used includes ordinary glass tube and crystal glass tube;
From the production process, there are two layers with tails and two layers without tails. A double-layer glass with tail has a small drop at the bottom of the cup; a tailless glass is flat and has no remaining spots.
Distinguish from the cup mouth, there are standard cup mouth, high mouth glass (the filter is deeper, the design is more reasonable, and the drinking water will not touch the filter.
Distinguish from the bottom of the cup, ordinary thin bottom, thick round bottom, thick straight bottom, crystal bottom.