The rumor that experts most want to clarify is that plastic mineral water bottles can be reused for a long time?
CCTV news: Plastic mineral water bottles are not safe to use repeatedly, because some plastic bottles have plasticizers, which have carcinogenic effects, and you should pay attention to the plastic number when using plastic products.
Expert: Peking University Third Occupational Disease Research Center Zhao Jinyuan chief physician
Xiaobian said: Users can pay attention to the logo at the bottom of the bottle, the triangle containing 1 means that the main component is polyethylene terephthalate, can only be used once, the triangle containing 2 means that the component is high-density polyethylene, like the box containing chewing gum, strictly speaking, nothing is added, it is relatively safe. Triangle contains 3 means the main component is polyvinyl chloride, the English name PVC, which contains carcinogenic substances, general garbage bags will be marked, try to avoid using it to pack food. Triangle containing 4 means that the main component is low density polyethylene, suitable for plastic wrap, plastic bags, can not be heated. The triangle contains 5, which means that the composition is polypropylene, which is resistant to high temperature and relatively safe. The triangle contains 6, indicating that the main component is polystyrene, can do instant noodles, can not be heated in the microwave oven. The triangle contains 7 indicating that the main component is polycarbonate, which is suitable for baby bottles, space cups and so on.