STRETCH AND SHRINK FILM | MATERIALS
The material, called Reveloop XZ 89169, has been used to make collation shrink films with a 50% PCR content. In the formulation, the new material is used in the core layer of a three-layer film. The outer layers – each 15% in total – are made from the company’s Dowlex PE resin. In total, the film is 50 microns thick. The same material has been used to make a
five-layer, 35-micron film. Again, it is used in the core layer (50%). Two sub-skin layers – each accounting for 15% – were made from the same material, mixed with Dow’s Elite PE resin, which adds stiffness/toughness and holding force. The outer skin layers, each 10% of the total weight, are made from a mixture of an LDPE grade and a second Reveloop grade – XZ 98608. This enhances optical appearance while adding stiffness/tough- ness. Overall, the film has a 50% PCR content.
Material boost Lucio Baccaro, market development and technical support for SABIC in Europe, told delegates that its Supeer VM006 metallocene LLDPE resin can be used to boost the performance of stretch films with a high PCR content.
It is a cast-stabilised, low gel grade for stretch
film. Its attributes include improved mechanical properties, increased holding force and puncture resistance and potential cost reduction – through the use of thinner film. For instance, in blown film production it can help
to reduce gel formation during extrusion – while also boosting mechanical properties. This second property helps in the creation of thinner, stiffer films. n AMI’s next Stretch and Shrink Film conference takes place in New Orleans, USA on 29 November to 1 December 2021. For more information, contact Alexandra Fish (
alexandra.fish@
ami.international) on +1 610 478 0800, or visit the homepage.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.www.colines.it �
www.cortecvci.com �
www.khs.com �
www.ami.international �
www.highlightindustries.com �
www.duoplast.ag �
www.saica.com �
www.dow.com �
www.sabic.com
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