1, and the number "1" indicates that the plastic material is PET, that is, polyethylene terephthalate, common mineral water bottles and carbonated beverage bottles. , heat resistant to 70℃, easy to deform, and substances harmful to human body are dissolved out; Cars that can't be placed in the sun can't be loaded with alcohol, oil and other substances.

This marked bottle can't be filled with water after use, and bacteria and microorganisms have entered the opened bottle, which can't guarantee the hygiene of water. In addition, plastics will age and may precipitate harmful substances after repeated use. Please throw them into the recyclable bin and let it be recycled.

2. The number "2" indicates that the plastic material is HDPE, which is often used as a packaging bottle for cleaning supplies and shower supplies. It is often used in the production of food bags, and some beverage bottles are also made of this material.

The number "3" means that plastic is made of PVC. This material is easy to produce harmful substances at high temperature, and even it will be released during the manufacturing process. Toxic substances enter the human body with food, which may cause diseases such as breast cancer and birth defects of newborns.

At present, this material itself is very hard. If it is easy to process, plasticizers, especially PVC cling film, are often added. Plasticizer content is above 30%, and greasy and high-temperature food cannot be loaded.

The plastic name code and the corresponding abbreviation code are as follows:

Polyethylene terephthalate -0 1 PET bottles, such as mineral water bottles and carbonated beverage bottles.

High density polyethylene -02 HDPE, such as cleaning products and bath products.

Pvc-03 PVC, such as: some decorative materials.

Low density polyethylene -04LDPE, such as plastic film, plastic film, etc.

Polypropylene -05pp (can withstand the temperature above 100 degrees), such as microwave lunch box.