There is usually a triangle with an arrow at the bottom of the plastic cup, and there is a number in the triangle. The specific representatives are as follows
No.1 PET polyethylene terephthalate
Common mineral water bottles, carbonated beverage bottles, etc. Heat resistant to 70 ℃, easy to deform, and substances harmful to human body melt out. No. 1 plastic may release carcinogen DEHP after 10 months of use. Do not put it in the sun in the car; Don’t pack alcohol, oil and other substances
No.2 HDPE high density polyethylene
Common white medicine bottles, cleaning products(Dishwashing Detergent Bottle), bath products. Don’t use it as a water cup or as a storage container for other items. Do not recycle if the cleaning is not complete.
No.3 PVC polyvinyl chloride
Common raincoats, building materials, plastic films, plastic boxes, etc. It has excellent plasticity and low price, so it is widely used. It can only resist 81 ℃ It is easy to produce bad substances at high temperature, and it is rarely used in food packaging. It is difficult to clean and easy to remain. Do not recycle. Don’t buy drinks.
No.4 PE polyethylene
Common fresh-keeping film, plastic film, oil Bottle,etc. Harmful substances are produced in high temperature. After the toxic substances enter the human body with food, they may cause breast cancer, neonatal congenital defects and other diseases. Don’t put the plastic wrap in the microwave oven.
No.5 PP polypropylene
Common soymilk bottle, yogurt bottle, fruit juice drink bottle, microwave oven lunch box. The melting point is as high as 167 ℃. It is the only plastic food container that can be put into the microwave oven and can be reused after careful cleaning. It should be noted that for some microwave oven lunch boxes, the box body is made of No. 5 PP, but the box cover is made of No. 1 PE. Because PE cannot withstand high temperature, it cannot be put into the microwave oven together with the box body.
No.6 PS polystyrene
Common bowls of instant noodles box, fast food box. Do not put it into the microwave oven to avoid releasing chemicals due to high temperature. After loading acid (such as orange juice) and alkaline substances, carcinogens will be decomposed. Avoid packing hot food in fast food boxes. Don’t cook bowls of instant noodles in the microwave oven.
No.7 PC others
Common water bottles, space cups, milk bottles. Department stores often use water cups made of this material as gifts. It is easy to release toxic substance bisphenol A, which is harmful to human body. Don’t heat it when using it, and don’t directly dry it in the sun
Post time: Jul-29-2022