The secret of numbers on plastic containers, you know what?

You may use plastic bottles and plastic cups every day, but have you ever paid attention to the numbers at the bottom?No. 1 PET, easy to deform at high temperatures, No. 2 HDPE, not suitable for use as water cups, No. 3 PVC, not for food, No. 4 LDPE, plastic wrap, No. 5 PP, the only one that can be put into the microwave, No. 6 PS, foamed fast food box, hot or poisonous. More about the mystery of plastic products↓↓Turn for health!(People's Daily)