Glass bottles have always held a unique place in the packaging industry. In fact, the history of canned glass containers dates back many decades. In old TV dramas depicting the early years of the People’s Republic of China, it was common to see food items stored in glass jars. At that time, plastic bottles were not widely used, so glass cans were the dominant choice for packaging. These containers were typically made of tin-plated glass, offering excellent sealing properties. Since they had the same size as regular glass bottles, they were easy to handle and remove. As a result, glass cans enjoyed a significant market share for a long period.
Over time, with the rise of plastic bottles, glass cans gradually fell out of favor due to their higher production costs. However, in recent years, there has been a renewed interest in canned products such as fruit, pickled vegetables, and chili sauce. The straight-mouth design of glass cans makes them ideal for packaging these items. Combined with their excellent sealing performance, this has led to a growing popularity of glass cans once again.
In addition to traditional glass cans, plastic bottles—especially those made from PET—have also seen improvements in recent years. Many manufacturers have introduced lightweight plastic cans that are particularly advantageous when it comes to solid foods like biscuits. Their lighter weight makes them easier to transport and handle, giving them a competitive edge over glass alternatives. As consumer preferences continue to evolve, both glass and plastic cans are finding new roles in the packaging market, each offering unique benefits that cater to different needs.
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