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Packaging







          Thinner is more Sustainable – Foodstuff
          Packaging gets Lighter and Lighter


          Packaging performs an essential service where foodstuffs are concerned. Over the years, technical advances have
          substantially reduced the amount of material required.


               oodstuffs would not survive   art in 1991. And in that same period,   tinplate, for example, which are now
               without packaging. Packaging   according to IK Industrievereinigung   60 percent thinner than in 1974.
          Fprotects the contents against   Kunststoffverpackungen (the Plastic
          harmful influences and ensures    Packaging Industry Association),   DOWNGAUGING TURNS LESS INTO

          a longer shelf life, in addition   packaging has become 25 percent   MORE
          to food safety. Thanks to the    lighter.  Increases  in  material  Thinner   fi lm  solutions  have

          latest packaging materials, these   efficiency in plastic packaging since   reduced the use of resources for

          requirements can now be fulfi lled   1991 resulted in a saving of around   flexible packaging of the kind

          with much less material than a few   2.6 million tonnes of CO2 in 2013,   specifically used for foodstuffs.
          years or decades ago. Packaging   gvm reports.                     “Downgauging” is the umbrella
          designers  have  succeeded   in                                    expression for measures in this

          developing   packaging    from   This was made possible by reducing   area. Briefly, it means turning less

          thinner and thinner material, while   wall and film thicknesses, improved   into more. Maximising effi ciency
          improving its protective function.   material properties, and optimised   without compromising on quality.
          According  to  the  Gesellschaft  shaping and processing techniques.   In practice, downgauging refers to
          für  Verpackungsmarktforschung   Despite increased demands on      the process of replacing a traditional

          (Society  for  Packaging  Market  packaging such as re-sealing and   thicker  film with a thinner  fi lm
          Research, gvm), plastic packaging   divisibility into smaller units, it was   that offers better performance. The
          consumption has decreased by 35   still possible to save materials. The   providers of  films and packaging

          percent compared to the state of the   same applies to drink cans made of   machines represented at FachPack
                                                                             demonstrate time and again that
                                                                             they are devoting maximum effort
                                                                             to this task. The advances they are
                                                                             making in packaging design now
                                                                             make it possible, for example, to pack
                                                                             fresh products like meat and fi sh in
                                                                             skin packaging that uses much less
                                                                             material. The products are placed on
                                                                             a tray that is then sealed with a skin

                                                                             film. Just by switching its ready-
                                                                             packaged poultry range to this type
                                                                             of packaging, discount retailer Netto
                                                                             aims to reduce its plastic waste by up
                                                                             to 13 tonnes per year. The company
                                                                             reports that, compared to traditional
                                                                             plastic trays of the same size, the
                                                                             very thin, airtight skin  fi lm  should
                                                                             achieve a saving in packaging
                                                                             material of up to 60 percent.

                                                                             WEIGHING UP THE ALTERNATIVES
                                                                             Other adjustments in addition to
                                                                             using thinner materials can be used


                                           Food Marketing & Technology   50 February 2020
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