Theoretically, the typical representatives of the five poisons without peculiar smell are glass and ceramic cups, but in some cases, we should also pay attention to them, such as some distinctive glass or ceramic cups, whose patterns will be printed on the inner wall of the cups. Although such a cup looks good, it is recommended not to buy it. Ceramic and glass cups have outstanding advantages, but their disadvantages are more prominent, that is, they are poor in fall resistance and easy to break.
Plastic cups should not be fragile, but pc plastic cups may have potential safety hazards. Therefore, we suggest that it is best to buy pp plastic cups No.5 or other tritan cups No.7. Attention, this is No.7 other, not No.7 pc. You can look at the bottom of a plastic cup when you buy it. Plastic cups produced by regular manufacturers will be printed with similar signs. Pp plastic and tritan are non-toxic and tasteless plastics. Just put it in boiling water and heat it in the microwave oven. You can search the characteristics of these three plastics through Baidu.
There is also a metal cup. Common metal cups are made of stainless steel, especially thermos cups. Stainless steel is relatively stable, but common acidic drinks may affect it, so it is not recommended to use stainless steel cups to hold carbonated drinks such as cola for a long time. If you want to choose a stainless steel cup, you must look for a 304 stainless steel cup. Generally speaking, 304 stainless steel will not cause harm to human body.
Many factors, such as safety, beauty, function, etc., will be considered when choosing a water cup. If the cup you want to buy now is mainly for drinking in the office or at home, it is recommended to choose a glass or a ceramic cup. If you often take it out, it is recommended to use pp plastic or tritan plastic cup. If it is necessary to keep warm, you can only buy stainless steel thermos cups.
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Having said that, I believe that the landlord already has the answer in his heart. If you have any questions, you can ask me.
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