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Reasons why tinplate packaging cans are prone to corrosion: 1. The protective effect of the tin layer is limited ● Uneven thickness of the tin layer ● Scratches or damage to the tin layer ● Chemical reaction between the tin layer and the contents 2. Corrosion susceptibility of the steel substrate 3. The influence of the use environment on corrosion ● High humidity environment ● Acid and alkali environment ● High temperature environment ● Contact with different chemicals 4. Electrochemical corrosion ● Contact between different metals ● The presence of electrolyte solution

During World War II, there was a shortage of tinplate sheet, which prompted people to look for alternative materials to meet packaging needs. During this period, aluminum became the main alternative material for the manufacture of seamless can-shaped packaging containers.

Dekai recently participated in the Cannex Fillex in Guangzhou from July 16 to 19, 2024. At this exhibition, Dekai demonstrated the latest metal packaging products and technologies, which received wide attention. Dekai hopes to strengthen exchanges and cooperation with domestic and foreign enterprises and expand the market territory through this exhibition, which has achieved complete success.