Bottom Label Of Paper Cup

Understanding the numerical markings at the bottom of disposable paper cups and knowing the meaning of each number at the bottom of different cups, there is no need to worry about the hazards of these disposable paper cups.
1- PET (polyethylene terephthalate), which can produce carcinogens after 10 months of use.
2 "- HDPE (high-density polyethylene), difficult to clean and prone to bacterial growth.
3 "- PVC (polyvinyl chloride) is prone to produce carcinogens when exposed to high temperatures and oils.
4 "- LDPE (low-density polyethylene) is prone to producing harmful substances at high temperatures.
5 "- PP (polypropylene), a specialized material for microwave lunch boxes.
6 "- PS (polystyrene), heat-resistant and cold resistant, cannot be used for microwaves.
7 "- PC and other types are used to make baby bottles, space cups, and space bottles. However, water cups made of this material can easily release toxic substance bisphenol A at high temperatures, which is harmful to the human body. Do not heat or expose to sunlight when using this type of water cup.