How to safely distinguish plastic tableware? These points have been tested and proven effective

When choosing plastic tableware, the first thing to consider is whether the label is complete, and then the product. The surface of the product should be smooth, free of stains, impurities, scratches, cracks, etc., without discoloration or fading, and can also be smelled for any irritating odors or other odors. How to safely distinguish plastic tableware? These points have been tested and proven effective.
Each type of plastic product has a triangle with an arrow at the bottom, which is a "recycled" symbol. There are Arabic numerals ranging from 1 to 7 inside, and the different Arabic numerals represent the different properties and uses of this plastic material. Just like the identification of plastic products.
The number "1" represents that the material of the plastic is PET, which is polyethylene terephthalate, commonly used in mineral water bottles, carbonated beverage bottles, etc. It is heat-resistant to 70 ℃, easy to deform, and has harmful substances dissolved from the human body; After 10 months of use, carcinogen DEHP may be released; Cannot be placed in the car to be exposed to the sun, and cannot contain substances such as alcohol and oil. The bottle with this label cannot be filled with water again after use. Please dispose of it in a recyclable bin and let it be recycled.
The number "2" represents that the material of the plastic is HDPE, commonly used as packaging bottles for cleaning products and shower products. Not used for food packaging.
The number "3" indicates that the material of the plastic is PVC. This material is prone to the production of harmful substances at high temperatures, even during the manufacturing process. Toxic substances can enter the human body with food and may cause diseases such as breast cancer and congenital defects in newborns. Containers made of this material are rarely used for packaging food. If in use, do not let it get heated.
The number "4" indicates that the material of the plastic is LDPE. General products include cling film, plastic film, etc. The heat resistance is not strong. Generally, qualified PE cling film will undergo hot melting when exposed to temperatures exceeding 110 ℃, leaving behind some plastic preparations that cannot be decomposed by the human body. Moreover, wrapping food in cling film and heating it can easily dissolve harmful substances from the oil in the food. Therefore, before putting food into the microwave, the wrapped plastic wrap must be removed.
The number "5" indicates that the material of the plastic is PP. High temperature resistant, commonly found in microwave lunch boxes. Can be reused after careful cleaning. Special attention should be paid to some microwave lunch boxes. The box body is indeed made of No. 5 PP, but the box cover is made of No. 1 PE. As PE cannot withstand high temperatures, it cannot be placed together with the box body in the microwave. For safety reasons, remove the lid of the container before placing it in the microwave.
The number "6" indicates that the material of the plastic is PS. Commonly seen in bowl filled instant noodle boxes and fast food boxes. It is both heat-resistant and cold resistant, but should not be placed in a microwave to prevent the release of chemicals due to high temperatures. And it cannot be used to contain strong acids (such as orange juice) or alkaline substances, as it can decompose polystyrene, which is harmful to the human body and can easily cause cancer. Therefore, you should try to avoid using fast food boxes to pack hot food.
The number "7" represents materials other than PVC and polystyrene, or synthetic materials of multiple plastic materials. Commonly seen in kettles, cups, and bottles. High temperature resistant, reusable, but cannot be heated in a microwave.