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Identifying MAP packaging problems

22 January 2021

In theory Modified Atmosphere Packaging (MAP) offers a solution that prolongs the shelf life of fruit, vegetables and a wide range of food products. However, it doesn’t always live up to its potential... 

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However, it doesn’t always live up to its potential due to manufacturing problems in films such as pinholes, pits and foam streaks - which increase the flow of vapours through the films and reduce shelf life.

With a single measurement, Versaperm’s MAP vapour permeability equipment is able to measure the permeability of any film to highlight any effect from foam streaks, pinholes or pits. It can give separate results for each MAP gas. 

The system can measure the vapour permeability of several different products at the same time and is suited to both single material and multiple-laminated MAP packaging. Accuracies are in the Parts Per Million (PPM) to PPB ranges and, the system can be used on filled, complete, sealed packs as well as on film samples.  

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