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formability and stability, but also
a high level of sealability. Guard
Nature MS also offered excellent
print results and could be optimally
confi gured to the packaging process
even in printed form. Another key

benefit is that it can be recycled in
the paper waste cycle.

DEVELOPMENT BASED ON
PARTNERSHIP ENSURES A
COMPETITIVE EDGE
The paper-based packaging material
demonstrated its capabilities in
the process that was perfectly Gerhard Kuss
coordinated by Sappi and ROVEMA.
easily. The perforation resistance of The precise coordination of
the paper used also needs to be taken packaging material and machine packaging material can result in a
into account much more during the played a major role in ensuring drop in output of up to 30 percent,
subsequent fi lling”. the high quality of the packaging however, in this pilot project,
performance loss was kept to 10-15
This is precisely where Sappi’s percent. One of the reasons for this
extensive expertise came into play. DUE TO THE LONGER SEAL was software specially developed
Once they had carefully examined by ROVEMA, which is integrated
the customer’s specifi c requirements, TIMES, SWITCHING TO into the precise packaging process.
Sappi’s paper specialists then PAPER-BASED PACKAGING This enables parameter changes to
selected the right material for MATERIAL CAN RESULT be directly synchronized virtually
the packaging of sensitive food IN A DROP IN OUTPUT in real time, so the process can be
products. As well as an effi cient OF UP TO 30 PERCENT, adapted accordingly. Individually
grease and oil barrier function, the defined limit values and plausibility

paper-based alternative should also HOWEVER, IN THIS PILOT calculations prevent incorrect
have required optimum heat-seal PROJECT, PERFORMANCE changes in the process and thus
properties. The Sappi Guard product LOSS WAS KEPT TO 10-15 keep the performance stable. This
line was therefore chosen, with PERCENT. ONE OF THE is a level of precision that is not yet
its innovative range of functional REASONS FOR THIS WAS common in relation to paper- based
papers specially developed for the packaging materials in particular.
flexible packaging market. Thanks to SOFTWARE SPECIALLY
their integrated barriers, there is no DEVELOPED BY ROVEMA, The successful pilot project demon-
need for any additional application WHICH IS INTEGRATED strates how Sappi’s expertise in
of coating or lining to achieve the INTO THE PRECISE sustainable barrier packaging
required capabilities with these PACKAGING PROCESS. solutions made from paper, together
functional papers. with the technical expertise of the
packaging machine manufacturer
After a few weeks of testing, during process. In the automated shaping Rovema, have successfully fi lled
which Sappi and ROVEMA studied of stand-up pouches in particular, a gap in the packaging industry.
the interaction of the packaging folding, seal times and seal Customers who are looking to
material and the packaging machine temperature – common sources use resource-effi cient packaging
and coordinated them optimally to of error in the process – need to be materials can now benefit from the

one another, the perfect substrate perfectly synchronized in order to combined knowledge and wealth of
was found for the customer in the ensure a reliable product. experience of the two partners, get
form of Sappi Guard Nature MS in a the optimum packaging solution –
grammage of 80g/m². The material In addition, due to the longer seal tailor- made and customized – and
not only offered the perfect mix of times, switching to paper-based thus gain a clear competitive edge.

Food Marketing & Technology 33 April 2021