Plastic net reminds you that this plastic cannot be reused

Phenomenon: repeated use of plastic stuff

Most beverage bottles are safe to use once, but they cannot be used repeatedly. How do citizens do in life? In this regard, the reporter conducted a survey.

"In normal times, I will drink water from a bottle of beverages, and it is not a pity to lose it." Li Mei, who is in her 50s, said that it is easy to use and save. Not only do plastic bottles contain water, but some citizens put a variety of beverage bottles in the kitchen, often used to hold soy sauce, vinegar, etc. The opaque juice drink bottles are cut into two for the pepper. Star anise and other spices.

Investigation: "ID card" at the bottom of the plastic bottle

On July 1st, the reporter came to the major supermarkets in the city to see that there are various brands of pure water and carbonated drinks on the supermarket freezer. The bottom of the bottle has a triangle with an arrow, the number 1 in the middle and PET on the bottom.

For the bottle with the number 1 on the bottom of the bottle, the reporter tried to ask a few people who were buying goods. They all said they didn't know, saying that they never knew what the number on the bottom of the bottle stood for.

On the shelves of plastic products, there are also some plastic bottles marked with the number 2, most of which are filled with shampoo, shower gel and detergent. In addition, some bottles, cups and kettles are marked with the number 7.

Hidden danger: PET plastic bottles can not be used repeatedly

So, which of these logos can't be used repeatedly? In response to this problem, Yang Junying, head of the Legal Department of the Municipal Bureau of Quality and Technical Supervision, said that plastic bottles do have identity differences and are divided into seven categories. The smaller the number is marked, the more unstable the material is, and it is not suitable for repeated use. For example, the most common beverage bottle No. 1 is cheap, long-term changes are easy to change, and can not be reused; the number 2 is usually some washing products; the number 3 is rare, mostly decorative materials; The plastic with the number 4 is generally plastic wrap; the plastic labeled 5 is a microwave lunch box; the fast food box with the number 6; the plastic bottle labeled with the number 7 mostly has a bottle, a space cup, and the like. “The plastic bottles of No. 5 and No. 7 are guaranteed to be complete and stable, and can be reused.

In addition, the bottom of the plastic bottle is marked with the number 1, and the PET written below cannot be used repeatedly. PET refers to "polyethylene terephthalate", and beverage bottles such as mineral water and carbonated beverages are made of this material. This material is not heat-resistant and easily deformed, and it can cause harmful substances to the human body after repeated use for a long time. Plastic bottles labeled with PC can be used repeatedly. After some explanations above, everyone has a certain understanding of plastics, I hope that these will help you. For the health of you and your family, please use plastic products correctly.