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The era of food paper packaging has come

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At present, the development of paper packaging and printing technology in foreign countries presents the following new characteristics: single-layer material is developing towards multi-layer material; offset printing, gravure printing, flexo printing, screen printing and other printing methods coexist, and flexo printing will grow fastest; single sheet paper is developing towards web paper and single machine to online production; comprehensive application of various related new technologies (e.g. Computer design, digital technology, laser processing technology and new materials etc.) constantly optimize the entire production system.

    The development trend of paper packaging containers in foreign countries is as follows: one-time moulded paper containers will gradually replace the present moulded combined paper containers; deep coating technology will gradually replace the wax coating in the past; composite technology will become an important skill in the development of paper containers; CAD and CAM systems will greatly shorten the design and manufacturing cycle of paper packaging containers. In addition, the packaging of paper products focuses on the development of high-grade paper packaging with low weight, high strength and light weight, so as to achieve the goal of standardization, serialization, multi-varieties, multi-base materials and multi-purpose.

    New type of glass wrapping paper introduced in Japan

    With the rapid development of packaging industry in recent years, as an indispensable package material, it has also ushered in a broad market. At the same time, the increasing diversification of people's demand also puts forward higher demand for packaging market. Recently, a Japanese company introduced a new type of glass wrapping paper, which can extend the shelf life of fresh food.

    A Japanese company has introduced a new type of glass wrapping paper, which can be used to pack fresh foods such as fruits, vegetables and so on. It can help them ripen and prolong their shelf life by two times. The cellophane is coated with a special chemical called betulin, which promotes the activity of ethylene-producing enzymes in ripening fruits and vegetables, thus prolonging their shelf life. Using this kind of wrapping paper not only makes the long-distance transportation of this kind of food easy, but also reduces the use of preservatives and costs.

    Development Trend Analysis of Glass Packaging Industry Abroad

    In order to compete with new packaging materials and containers, such as paper containers and plastic bottles, glass bottle manufacturers in developed countries have been working to make the products more reliable, more beautiful, cheaper and cheaper.

    In order to achieve these goals, the development trend of glass packaging industry abroad is mainly manifested in the following aspects:

    Adopt advanced energy-saving technology

    Another way to save energy, improve melting quality and prolong furnace energy is to increase the amount of broken glass. The amount of broken glass added abroad reaches 60%-70%. Ideally, 100% broken glass is used to achieve the goal of "ecological" glass production.

    Lightweight bottles and cans

    In developed countries such as Europe, America and Japan, lightweight bottles have become the leading products of glass bottles and cans.

    Eighty percent of Obedand's glass bottles are lightweight disposable bottles. Advanced technologies, such as precise control of raw material composition, precise control of the whole melting process, small mouth pressure blowing technology (NNPB), cold and hot end spraying of bottles and cans, and on-line detection, are fundamental to realize the lightweight of bottles and cans. Some countries are developing new surface strengthening technologies to further reduce the weight of bottles and cans.

    Improving Labor Productivity

    The key to improve the productivity of glass bottle manufacturing is how to improve the speed of glass bottle forming. At present, the common method adopted by developed countries is to select multi-group and multi-drop moulding machines. Large-scale kilns matching high-speed moulding machines must have a large capacity to supply high-quality glass liquid steadily, and the temperature and viscosity of droplets should meet the requirements of the best moulding conditions.

    Therefore, the ingredients of raw materials must be very stable. The refined standardized raw materials used by glass bottle manufacturers in developed countries are mostly provided by specialized raw material manufacturers. Furnace thermal parameters of melting quality should be controlled by digital control system to achieve the optimal control of the whole process.

    Improving Production Concentration

    In order to adapt to the severe competition situation caused by the challenges of other new types of packaging products in the glass packaging industry, a large number of glass packaging enterprises began to merge and reorganize to improve the concentration of the glass container industry in order to optimize the allocation of resources, improve scale efficiency, reduce disordered competition and enhance development capacity. The current trend of glass packaging industry in the world.

    It is expected that circular economy will become the main mode of packaging industry development in the future, recycling and utilization of waste packaging resources will realize industrialization, green packaging materials will be vigorously developed and developed, and packaging infrastructure industry will also accelerate development.

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