Maybe we don't usually pay attention to the bottle cap. In fact, we know that there are many types of caps, and the appearance of different materials will be different. Today, we come to inventory all kinds of caps.
First of all, the most widely used is of course the general spiral plastic bottle cap, which is easy to open, simple to make, suitable for mass production, and lower production costs. Widely used in beverage, food, medicine, cosmetics and other fields, the market share is high. However, the sealing performance still needs improvement. Secondly, aluminum-plastic caps, which are widely used in liquor and pharmaceutical packaging, are also widely used in the field of anti-counterfeiting and have higher production costs. Again, glass, crystal bottle caps, caps of this type of market use less, sealing performance is poor, but the appearance of exquisite high-end, more applications in the field of cosmetics. Furthermore, tinplate caps and caps made of metal materials are mainly used for sealing with glass cans. The sealing performance of tinplate caps is very good, but opening troubles are its biggest drawbacks. Finally, there are wooden caps, stoppers and so on. Wooden bottle caps look beautiful, but use less.
The types of caps are very rich. These caps have their own advantages and disadvantages, and they have to be selected according to different uses.
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