Companies have a vast number of different package design options
available. But today the important question is how sustainable they are?
Should they use paper or plastic? When does it make sense to use
material combinations and what are their environmental impacts?
Answers to these questions are provided in a
Life Cycle Assessment study (LCA) that PE INTERNATIONAL has conducted for Wipak. The Wipak
Group is part of the Finland-based Wihuri Group and holds a leading rank
in the development and manufacture of multilayer films (in particular
barrier films) and high-end packaging solutions in Europe
LCA compared film packages with paper composite solutions
“Energy consumption, ozone production or global warming – material
combinations based on paper and plastics can be more sustainable than
plastics solutions”, Dr. Annett Kaeding-Koppers, the Wipak Group’s
Sustainability Representative explains. On behalf of Wipak, the PE
INTERNATIONAL sustainability experts compared film packages, such as
used in Germany for sausage and cheese, with paper composite solutions
offering identical functionality, including different amounts of paper
in the top web and in the tray web.
One result: The use of paper in general has a positive influence on
the reduction of carbon emissions. This means that the impact on the
greenhouse effect is smaller than it is for the reference systems made
of pure plastics that were also examined in the study. There were also
clear improvements in terms of ozone production, i.e. the reduction of
summer smog.
Paper cannot replace plastics
There is no silver bullet. Paper cannot fully replace plastics since
it does not meet the high demands in terms of optimum product
protection. The ideal material mix depends on the food products to be
packaged as well as on the functions to be provided by a package.
Broad range of packaging solutions
Consumers expect a responsive use of resources. This expectation also
influences package development. Using paper composites, the Wipak Group
has responded to the trend towards sustainability at an early stage,
complementing the product range of high-quality multilayer and barrier
films with more innovative paper composites later on. A selection of
composite concepts will be presented by Wipak at the FachPack
exhibition. The “Paper Top“ version e.g. replaces paper polyester as a
print carrier. The amount of renewable resources reaches approximately
35 percent so that the use of fossil raw materials has been reduced by
about 30 percent. With the “Paper Bottom“ version, the amount of paper
can reach more than 50 percent, depending on the composite structure.
New marketing approaches
While paper composite solutions are still niche products, their
market share grows constantly. Paper composites offer new unique selling
propositions at the POS. Using the knowledge of how sustainable a
packaging really is, companies are able to differentiate themselves from
the competition, assuming a more credible position in the customer’s
view. It is therefore worthwhile taking a closer look even just for the
marketing aspects alone.