The Raw Material Of The Double Glass

- Dec 21, 2019-

The raw material of the double glass is high borosilicate glass, food grade food grade glass, after more than 600 degrees of high temperature fired, usually by high borosilicate glass tube, the size of the inner and outer tube after the technician in the sealing machine to bake and become, is a new environmental protection teacup, more and more by people's favor.