Food grade composite paper cans have broad application prospects

Composite paper cans are packaging containers made of paper and other materials that have been developed in recent years. In China, it is mainly used for the packaging of solid foods such as potato chips and tea leaves. In foreign countries, it is mostly used for health foods, oil foods, frozen concentrating foods, etc., where moisture-proof requirements are high.

Composite paper cans have a good prospect of development and application, and can be used as substitutes for metal, glass and ceramic packaging containers. Compared with these packaging containers, composite paper cans have more obvious advantages, and their main features are: Because paper is the main raw material, it is easy to recycle; excellent protection performance, waterproof, moisture-proof, have a certain degree of heat insulation Odorless, non-toxic, safe and reliable, especially suitable for food packaging; can be filled with various shapes of goods, and noise when filling; can withstand positive and negative pressure, can be used for vacuum or nitrogen packaging; modeling structure is diverse, The outer layer can be color-printed. It has a good display effect; its light weight, only 30% of the cans, is easy to circulate, it is easy to use and the price is low.

Composite paper cans are used in a wide range of applications, in addition to powdered solid foods such as cocoa, tea, sugar, salt, oatmeal, coffee, and various solid beverages. They can also be used to hold a variety of liquid foods. Juice, wine, mineral water, milk, etc. It can also be used to hold health foods, oil foods, frozen concentrating foods, etc. with high moisture-proof requirements. For example, about 85% of concentrated citrus juice in the United States is packaged in composite paper cans. More than 50% of Japan's soft drinks are packaged in aluminum paper cans.

In addition, composite paper cans can also be used for special packaging technologies such as vacuum packaging, "dry" vacuum packaging for coffee, milk powder and peanuts, and "wet" vacuum packaging for concentrates and condiments; pressure packaging, including nitrogen-filled snacks Food packaging and gas beverage packaging. However, composite paper cans are not suitable for the packaging of frozen and hot processed foods.