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Side-sealing flow wrapper for cheese packaging

27 September 2021

ULMA Packaging UK has developed a new side-sealing version of its ARTIC side seal flow wrapper to support cheese suppliers under increasing pressure to offer sustainable products with longer shelf lives. 



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Developed for cheese portions, the ARTIC SS C provides a hermetically sealed pack by using a design that eliminates the usual lengthwise and crosswise seals used on most flow pack machines. Instead, it uses a longitudal side-sealing system featuring a long dwell sealing head to provide a narrow seal along the cheese’s rind. This is said to reduce excess film and leakage risk, while improving the pack’s aesthetic appearance. 

The ARTIC model comes with a forming mould that adapts to the size of each individual cheese portion. As part of the sealing process, wrapped products are passed through a hot air shrink tunnel, which gives the packaged cheese an exceptional final look. The solution can also be fully automated to transfer the product from the cutting line to inside the film's tube, ensuring that manual handling and contamination risk is kept to a minimum. 

Additionally, the packaging process is designed to optimise material use and is compatible with lightweight plastic material, in the form of a shrink wrap film that is only 21 microns thick. It can also be used for Modified Atmosphere Packaging (MAP), enhancing product safety by further reducing the risk of seal leaks. 


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