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The use of new plastic cans can extend the shelf life of foods. For example, canned cream soup has a shelf life of up to one year. Josep Toradas, a Spanish expert at DuPont, pointed out: "This new type of material can cut off the way air, sunlight, moisture or other microorganisms enter the interior of the container."
Ramon Catara, the promoter of this technology, and the Institute of Agrochemicals and Food Technology of Valencia, said: “We have achieved many important results in the laboratory, but only when we enter the actual production stage can we prove this Whether the material can compete with canned products currently on the market." Katara also pointed out that "there is no ideal can material. From a hygiene point of view, the best material should be glass, but the shortcoming is that it cannot resist the sun." . Both experts pointed out that glass cans have problems such as being too heavy, brittle, and difficult to transport, making it difficult to attract users and enabling many companies to turn their attention to new plastics.
At the recent exhibition of the Hispack International Packaging and Canning Fair in Barcelona, ​​a Spanish company produced a technology for the packaging of canned polymer materials that won the award.