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. Joseph Toledas, a Spanish expert at DuPont, stated: "This new type of material can cut off the way air, sunlight, moisture or other microorganisms enter the interior of the container."
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.
Ramon Catara, the promoter of the technology, and the Institute of Agrochemicals and Food Technology in Valencia, said: “We have achieved many important results in the laboratory, but only if we enter the actual production stage can we prove this Whether the material can compete with canned products currently on the market.â€
Katala also pointed out that "there is no ideal can material. From a hygienic perspective, the best material should be glass, but its disadvantage is that it cannot withstand 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.
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