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Paper tubes have good development paper tube and application prospects and can be used as substitutes for metal, glass and ceramic packaging containers. Compared with these packaging containers, the paper tube has more obvious advantages. Its main features are: because paper is used as the main raw material, it is easy to recycle; it has excellent protection performance, can be waterproof, moisture-proof, and has a certain heat insulation effect.
Odorless, non-toxic, safe and reliable, especially suitable for food packaging; it can be filled with various shapes of goods, and the filling noise is small; it can withstand positive and negative pressure, and can be used for vacuum or nitrogen-filled packaging; The layer can be color-printed, which has a good display effect; the weight is light, only 30% of the iron can, the circulation is easy, the use is convenient, and the price is low. Paper tube packaging has a wide range of applications.
In addition to being commonly used to hold powdered solid foods, such as cocoa powder, tea, sugar, salt, oatmeal, coffee and various solid beverages, it can also be used to hold various liquid foods. Juice, wine, mineral water, milk, etc. It can also be used to contain health food, oil food, frozen concentrated food, etc. with high moisture-proof requirements. For example, about of citrus juice concentrates in the United States are packaged in composite paper cans. More than 50% of soft drinks in Japan are packaged in composite paper cans with aluminum easy-open lids.