What is the main purpose of the paper tube


Paper can packaging has good development and applicatio […]

Paper can packaging has good development and application prospects, and can be used as a substitute for metal, glass, and ceramic packaging containers. Compared with these packaging containers, paper can packaging has more obvious advantages. Its main features are: because paper is used as the main raw material, it is easy to recycle and handle; 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 noise during filling is low; It can withstand positive and negative pressure, and can be used for vacuum or nitrogen-filled packaging; Various modeling structures, The outer 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. Environmentally friendly 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, cereal, coffee and various solid beverages, it can also be used to hold various liquid foods. Such as 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 85% 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.


In addition, paper can packaging can also be used for specialized packaging technologies, such as vacuum packaging, including "dry" vacuum packaging of coffee, milk powder and peanuts, and "wet" vacuum packaging of juice concentrates and condiments; pressure packaging, including nitrogen-filled snacks Food packaging and carbonated beverage packaging. But paper can packaging is not suitable for the packaging of frozen and thermally processed foods.

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