According to expert introduction, product process the stand or fall of glass ware is the key material. Kitchen glassware according to different materials, can be divided into ordinary glass, toughened glass, and three types of heat-resistant glass. Weakness of common glass is fragile, and more is applied to automobile glass, toughened glass bath clapboard, kiosks, and other fields, however, when a sudden changes in the temperature of the surrounding environment, it is likely to rupture, so not suitable for use in the often need to heating of the kitchen. Compared with toughened glass, heat-resistant glassware although slightly weak resistance to impact, but superior heat resistance, and will not release harmful material, more safe and comfortable to use. Button le le glass series, glass ware Pyrex adopted by the boric acid containing high temperature resistance