Duck breast is a common snack food with high protein and low fat, loose fiber, fresh meat, fat but not greasy.
After bagging, heat sealing and steaming and sterilization of some bagged duck breasts, the packaging bags showed delamination. The so-called delamination phenomenon means that the single-layer films that make up the composite film are not tightly bound together, but separate. The stratification of the packaging of finished duck preserves will not only seriously affect the brand image of the company and reduce the quality level of the preserved ducks in the minds of consumers, but will also produce physical and mechanical properties such as oxygen permeability, impact resistance and puncture resistance of the packaging bag Adverse effects may cause problems such as oxidative deterioration, air leaks, and broken bags of duck breasts. Therefore, the stratification of duck breast packing bags is something that enterprises are very reluctant to see, and it is also a problem that plagues enterprises.
After packaging the duck breast, the peel strength of the sample is greatly degraded, which is the direct cause of the delamination of the composite film. The main difference between the packaging bag after packaging the duck breast and the original packaging roll film is that the former is in contact with the duck breast The oil and fat components have undergone high temperature sterilization, so the poor grease resistance and high temperature resistance of the packaging materials are likely to be the main reasons for the delamination of the composite film. The problem of delamination of packaging bags has always been a problem that puzzles enterprises. Strengthening the detection of peel strength when packaging materials enter the factory is an important measure to prevent delamination of packaging. ( Selected from Jinan Languang website article )
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