What is the perfect drink cup pass mark?
The number at the bottom of the cup is above 5! It is good! At present, there are five types of plastic cups on the market:
1, HDPE, such cups are generally sports cups. When you go to the supermarket to buy, look at the bottom of the cup, there is a triangle symbol, inside the marked "2."
2, PP, this cup is recognized as a cup of tea. People in the plastics industry say that food grade PP (polypropylene) is the material that is used to buy instant noodles. Can be heated in a microwave. However, some merchants use HDPE as the cover. I think there are two reasons: A, cost savings. B. Because HDPE is relatively soft, it is easy to close the lid. When buying a cup, you should also pay attention to the internal symbol of the triangle symbol is "5".
3, PC cups, which are more expensive. Small P baby bottle is this material. However, some experts also said that using PC material bottles, so that young children are precocious, and so on and so on. The triangle symbol is an internal standard "7".
4, PS, this is for beer mugs and disposable cups. Of course this disposable cup is exported. What we see in the market are all PP disposable cups.
5, as, this is not as strong as the PC. Very few manufacturers use this material.
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