The advent of composite paper cans has overcome the drawbacks of metal cans. Compared to metal cans, composite paper cans have significant advantages, primarily: they use paper as the main raw material, making them easy to recycle; they offer excellent protection; they are waterproof, moisture-proof, and have some heat insulation properties; they are odorless, non-toxic, and safe, making them particularly suitable for food packaging. They can be filled with goods of various shapes with minimal noise during filling; they can withstand positive and negative pressure, suitable for vacuum or nitrogen-filled packaging; they offer diverse shapes and structures, and the outer layer can be printed with colors, resulting in good display effects; they are lightweight, only 30% the weight of iron cans, facilitating distribution, ease of use, and reducing costs by 20%-30% compared to iron cans.
Paper cans can be used for packaging paints, chemicals, food, and pharmaceuticals, and can also be used to produce paper lunch boxes, paper cups, paper buckets, and other related products. In France, the US, UK, and Japan, cylindrical composite paper cans are mainly used for packaging concentrated fruit juice, infant formula, and rice cereal, and this packaging method is trending towards replacing metal cans.
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