The main classification of glass crisper

There are three kinds of fresh-keeping boxes: one is plastic fresh-keeping box: made of resin material, the general temperature resistance range: the highest temperature is 120 ℃, the lowest temperature is -20 ℃, the other is tempered glass fresh-keeping box: ordinary glass tempered, the last The first is heat-resistant glass fresh-keeping box, which is made of high borosilicate glass and is also recognized as a good fresh-keeping box. As consumers pay more and more attention to health, people pay more attention to the health of the materials used in the fresh-keeping box itself.