Case Study

More Layers, Less Resin

More Layers, Less Resin

12 spectrum PLASTICS 2010 T oday’s packaging sector uses multilayer ? lms made from increasingly complex materials and resins. The majority of production gener- ally takes place in three-layer coextrusion systems; however, since the end of 2007, the Italian mechani- cal engineering company Macchi has increased the number of coextrusion lines for manufacturing barrier ? lms for ? exible packaging with more than three layers, and is today man

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