The main classification of double glass

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 tubes. It is a new type of environmentally friendly teacup, which is more and more popular among people.

In terms of style, there are mouth cups and office cups (with handles);

In terms of material, the cup body tubes used include ordinary glass tubes and crystal glass tubes;

In terms of production process, there are double-layered tails and double-layered tailless glasses. The tailed double-layered glass has a small drop at the bottom of the cup; the tailless glass is flat and has no excess.

Distinguish from the mouth of the cup, there are standard cup mouth, high mouth glass (the filter is deeper, the design is more reasonable, 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.