Commonly used plastics for making water cups are PE, PP, PC, PET and other materials.
Generally, there will be a triangle symbol at the bottom of plastic products. This triangle symbol is a plastic recycling symbol, and the number ranges from 1 to 7. Each number represents a different raw material for making plastics, so it has different uses.
1 is made of PET, HDPE, PVC, LDPE, PP, PS and PC. The commonly used disposable cup is PE, which is soft and not resistant to high temperature. When filled with boiling water, it will soften. Long-term filling with boiling water may cause plastics to decompose and produce substances harmful to human health.
Cups are more suitable for daily drinking;
Glass, enamel cup, ceramic cup, plastic cup, stainless steel cup, iron cup, aluminum cup, paper cup ... When we go to the mall to buy water cups, all kinds of cups will come into our eyes, especially those with bright colors and unique shapes, which are even more eye-catching.
Glass should be the first choice when drinking water;
Don't think that glass is just transparent and beautiful. Among all the cups made of materials, the glass is the healthiest. Glass contains no organic chemicals. When people drink water or other drinks from a glass, they don't have to worry about chemicals being drunk into their stomachs, and the glass surface is smooth and easy to clean, so it is the healthiest and safest for people to drink water from a glass.