The fresh-keeping box is divided into three kinds: one is plastic fresh-keeping box: made of resin material, the general temperature range: high temperature 120℃, low temperature -20℃, one is toughened glass fresh-keeping box: Ordinary glass tempered, there is another kind of heat-resistant glass fresh-keeping box, which is made of high borosilicate glass. It is also recognized as a good fresh-keeping box at present. With the increasing attention of consumers to health, people pay more attention to whether the material used in the fresh-keeping box itself is healthy.
The difference between the toughened glass fresh-keeping box and the high-boron glass fresh-keeping box (heat-resistant glass) and the advantages and disadvantages of each: the toughened glass fresh-keeping box has a strong impact force and is not easy to break. Daily life broken fragments will not be very small and dense, and high boron glass fresh-keeping box in terms of firmness is inferior to toughened glass fresh-keeping box. But high boron glass fresh-keeping box (heat-resistant glass fresh-keeping box) has a strong heat resistance, superior to toughened glass fresh-keeping box, generally adapt to the temperature of -60+400 degrees, long used in microwave ovens and refrigerators, and heat-resistant glass fresh-keeping box surface is smooth without burr, shiny and beautiful. Suitable for low temperature and high temperature, is a good choice for the majority of friends.
