Roof-type carton packs lead environmental protection packaging materials trend

Roof-type carton packs have become a form of packaging closely related to people's lives. Although packaging technology has grown and new forms of packaging have continued to emerge, roof-type carton packs have been unique in the packaging of fresh milk and juice.
The unique design of the roof-type carton and its unique material and structure make it possible to properly prevent oxygen and water from entering and exiting, and reduce the effect of oxidation on the flavor and color of the product. The translucent nature of the roof-type carton prevents the vitamins in the product from being damaged by light, thereby protecting the nutrition, freshness and taste of milk and beverages in the box. The package cost of the roof type carton is lower than other package materials, and it occupies a small space during transportation, which can reduce storage and transportation costs. Roof-type carton packs meet environmental requirements, and raw materials come from renewable resources—wood. After the carton is used up, it is naturally decomposed, and it can also be decomposed into various raw materials for secondary use through high-tech means, which conforms to the concept of environmental protection. These advantages have enabled the use of 340 billion packages worldwide each year.
The development of the roof-type carton packaging market has enabled new forms and technologies of this kind of packaging to emerge and be applied, and these new technologies have become a leading trend in many specific markets and specific stages of development. In the 1990s, there was a technique of capping a roof-type carton. This technology enabled the carton to be opened, dumped and resealed more easily for children's use. After the carton was capped, the appearance was more attractive to consumers. Therefore, in the period of rapid development of the market, it is often used by customers to strengthen the competitiveness of their products. The stamping technology itself is also constantly improving. For example, Evergreen Packaging Equipment Inc. has developed the Spout-pak system into Inside-Out, which has greatly increased the speed of stamping and completely solved the problem of flash leakage.
Today, roof-type carton packs are used not only to package fresh milk and fruit juice, but more products such as yoghurt, tea, soups and even detergents are used in this package. The structure and manufacturing of the carton are also constantly improving and developing. For example, Barrier-pak launched by International Paper Company (Paper Co., Ltd.) adds a barrier material layer between the carton base paper's polyethylene layer and cardboard, which greatly enhances the anti-permeability of the carton.

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