No. 1 PET polyethylene terephthalate
Common mineral water bottles, carbonated beverage bottles, etc. Heat resistant to 70 °C easy to deform, harmful substances to the human body melted. After 10 months of use, plastic No. 1 may release the carcinogen DEHP. Do not put it in the car to bask in the sun; Do not contain alcohol, oil or other substances
No. 2 HDPE high-density polyethylene
Common white medicine bottles, cleaning products, bath products. Do not use it as a water cup or as a storage container for other items. Cleaning is not thorough, do not recycle.
No. 3 PVC PVC
Common raincoats, building materials, plastic films, plastic boxes, etc. Excellent plasticity, cheap price, so the use is very common, can only withstand heat 81 °C. High temperature is easy to produce bad substances, rarely used in food packaging. It is difficult to clean and easy to remain, do not recycle. Do not purchase drinks if they are packed.
No. 4 PE polyethylene
Common plastic wrap, plastic film, etc. Harmful substances are produced at high temperatures, and toxic substances may cause breast cancer, birth defects and other diseases after entering the human body with food. Keep plastic wrap out of the microwave.
No. 5 PP polypropylene
Common soy milk bottles, yoghurt bottles, fruit juice drink bottles, disposable tableware and so on. With a melting point of up to 167°C, it is the only plastic box that can be placed in the microwave and can be reused after careful cleaning. It should be noted that some microwave lunch boxes, the box body is made of No. 5 PP, but the lid is made of No. 1 PE, because PE can not withstand high temperature, so it cannot be put into the microwave oven with the box.
No. 6 PS polystyrene
Common bowl instant noodle boxes, fast food boxes. Do not put in the microwave to avoid the release of chemicals due to excessive temperature. After filling acids (such as orange juice) and alkaline substances, carcinogens will be decomposed. Avoid packing piping hot food in fast food boxes. Don't microwave instant noodles.
No. 7 PC Other Class
Common water bottles, space cups, feeding bottles. Department stores often use water cups of this material as gifts. It is easy to release the toxic substance bisphenol A, which is harmful to the human body. Do not heat when using and do not expose to direct sunlight





