Is PET food grade and can it be reused?

PET, or polyethylene terephthalate, is a commonly used plastic material. It is food grade and is often used to make plastic bottles, beverage bottles and other products. PET material has excellent physical and mechanical properties in a wide temperature range, long-term use temperature up to 120 ° C, excellent electrical insulation, even at high temperature and high frequency, its electrical properties are still good, but poor corona resistance. In addition, PET material has high transparency, can block ultraviolet light, good luster, non-toxic, tasteless, good health and safety, and can be directly used in food packaging. However, it should be noted that the thermal deformation temperature of ordinary PET materials is low, about 70 ° C, so it is not suitable for overheated food. If special modifications, such as alcohol modification, the thermal deformation temperature of PET can be increased to 110 ° C, so that hot water can be filled and can be reused