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Application status and prospect of film laminated tinplate

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Application status and prospect of film laminated tinplate  

At present, laminated tinplate has a good application prospect in the packaging materials market such as stamping can DRD, punching cupping DI and other two-piece cans, special-shaped cans, Easy Opened End and Easy Peeled End. It also provides packaging materials with personalized and fashionable consumption concepts for canned food, various beverages, oleochemicals, daily chemicals, medicine and health and other industries.

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In the global laminated tinplate market, there are many laminated tinplate that should not be left blank. Dry molding can be used when the laminated tinplate cans are made, without excessive lubricants, which can avoid a large amount of waste water caused by cleaning lubricants and pollute the environment. Therefore, various types of stamped cans DRD (and also punched cupping DI) are becoming more and more popular. For example: laminated tinplate with polyethylene terephthalate (PET) and polypropylene (PP) coating can be used to make bottle caps, DRD cans and valve lids for sprayers, etc.; laminated tinplate with polyester film has excellent The processing adhesion and processing corrosion resistance are suitable for making deep-drawn cans and welded cans with large processing deformation and highly corrosive items. The various ingredients in it maintain a delicate balance to keep it in good condition for a long time. The three-piece cans have been gradually reduced in developed countries due to the complexity of production. Instead, punching cans DRD and punching and cupping DI are used. The market share of Japanese steel two-piece cans (DI and TULC) has reached 60%.

In recent years, easy-tear lids have gradually gained popularity abroad. This kind of lid is actually made of a secondary cold-rolled steel sheet or a secondary cold-rolled aluminum sheet with a thickness of 0.07-0.13mm. It is skillfully sealed on the empty can through mechanical and heating technologies, and is torn open when used. , some types of EPE can withstand high temperature sterilization. Judging from the situation in Europe and the United States, the technology of coated aluminum is more mature than that of laminated tinplate. However, the cost of steel easy-open lids is only 50% of that of aluminum easy-open lids. Therefore, the easy-tear lid of laminated tinplate is a direction for future development.

Impress Holding, the world's largest can-making group, owns a factory in Germany that produces 1.4 billion fish cans a year, 70 percent of which are film-coated aluminum empty cans. Crown Group (Crown) has a total of 4 production plants in France and Italy, mainly producing canned meat (5 million cans/a), and also uses coated aluminum. It can be seen that with the technological development of laminated tinplate, companies aiming to maximize profits will tend to replace high-cost coated aluminum with low-cost laminated tinplate.

At present, the application of laminated tinplate in two-piece cans in my country is still in its infancy. With the rapid expansion of the application of two-piece cans in the world, the market demand for two-piece cans in my country has been greatly promoted. At present, the annual consumption of two-piece cans (steel and aluminum) in China is about 10 billion. Calculated at an annual growth rate of 10%, the domestic demand for two-piece cans will reach 16 billion in five years, with a net increase of 6 billion. At present, the domestic production of two-piece steel cans is about 1.2 billion, and the share is only 12%. The production capacity is insufficient and the energy consumption problem, secondary pollution problem and its inherent disadvantage in the production process of traditional D1 cans (affecting the flavor and making it impossible to enter the beer) market, easy to rust) restricts its further development. Therefore, it is foreseeable that the domestic market prospect of making two-piece cans with green and environmental production laminated tinplate is very broad.


With the increasingly stringent requirements of green environmental protection and the increasing shortage of resources, recyclable and recyclable metal packaging materials are favored by people. According to the report of the European Packaging tinplate Manufacturers Association, in 2003, the recycling rate of steel packaging in the 15 European Union countries has reached 61% (among which Belgium has reached 94%), and by 2008, it will increase to 70%. Therefore, the global can-making material industry, can-making industry and lid-making industry are undergoing major revolutionary changes. Secondary cold-rolled sheets, laminated tinplate (coated aluminum), stamped cans, punched and drawn special-shaped cans and easy-to-tear Lid is slowly becoming the mainstream of the can industry in developed countries. The key (basic) of these changes is the advancement of the quality of the secondary cold rolled sheet (the advancement of the steelmaking technology) and the development of the coating technology

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