What do the numbers at the bottom of the plastic cup represent?

2022-05-05

If the container is not used, the liquid will be lost. Some plastic cups will be more convenient for guests or outside use. Careful little partners will find that there are marked numbers at the bottom of the plastic cup. What do these numbers mean?

No. 1 Pet polyethylene terephthalate

Common mineral water bottles, carbonated beverage bottles, etc. Heat resistant to 70 ℃, easy to deform,

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; Do not contain alcohol, oil and other substances

Plastic cup bottom number

No.2 HDPE HDPE

Common white medicine bottles, cleaning products and 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

Common raincoats, building materials, plastic films, plastic boxes, etc. Excellent plasticity and low price, so it is widely used. It can only resist heat at 81 ℃ It is easy to produce bad substances at high temperature and is rarely used in food packaging. Difficult to clean, easy to residue, do not recycle. Don't buy drinks.

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