1. PET (polyethylene terephthalate), which will produce carcinogens after 10 months of use.
2. HDPE (high density polyethylene), not easy to clean, easy to breed bacteria.
3. PVC (polyvinyl chloride) is easy to produce carcinogens in case of high temperature and oil.
4. LDPE (low density polyethylene), easy to produce harmful substances at high temperature.
5. PP (polypropylene), special material for microwave lunch boxes.
6, PS (polystyrene), heat and cold resistance, can not be used in microwave.
7. PC and other types are used to make baby bottles, space cups, and space bottles. However, water cups made of this material can easily release the toxic substance bisphenol A at high temperatures, which is harmful to the human body. Do not heat and do not expose to the sun when using this drinking glass.
