MATERIALS | STRETCH & SHRINK FILM
Right: Safe Track, from Noel and Colines, makes the pattern on a wrapped pallet easily recognisable
Coreless production SML will exhibit a 1.5m-wide MiniCast stretch wrap film line at the Plast exhibition in Milan in June. In collaboration with Dow, SML will run the
MiniCast twice daily, producing high-quality films from 100% polyethylene. In addition, production of coreless machine rolls for high-speed wrappers, weighing 16kg, will be demonstrated. “We want to show how easy and fast it is to
switch from core to coreless production,” said Thomas Rauscher, product manager at SML. To address this, SML has developed new methods to control and regulate the tension of the film during the winding. The MiniCast machine on show will be equipped with four extruders and a five-layer feedblock, in combination with a Reflex die from Cloeren. It also comes with a 1,600mm diameter single chill roll, a new thickness measuring device and a W4000 turret winder. The 3-up winder version will produce rolls at 3 x 500mm net film. An ESTL film perfor- mance tester will also be available, allowing visitors to check the quality of the films immediately. Separate to this, SML has installed a fourth
generation SmartCast Infinity stretch film line in its technology centre – which includes a nanolayer feedblock for 101 layers. Nano-layered film gives stretch film higher performance despite its thick- ness, says SML. While ‘Nano 67‘ is already estab- lished for high-end applications. The new nanolayer feedblock – developed in
Below: SML will run a 1.5m-wide MiniCast stretch wrap film line at Plast in Milan in June
collaboration with Cloeren – differs in design from previous solutions in three ways, says SML: it has 101 layers; it has the “highest percentage of nano-structured film in the total film”; and it has the “highest number of extruders” – as the nanolayer feedblock is fed by eight extruders. “Nano101 lets us combine a wider range of functional materials, in different sequences and at lower percentages,” said Rauscher. “While stretch
films produced on our machinery already exceed market requirements for elongation, Nano101 focuses on influencing tear propagation, holding force and puncture resistance.”
Tamper evidence Noel and Colines have introduced Safe Track, a tamper-proof stretch film.
Security in palletised logistics has become a critical issue, say the companies. It is estimated that at least 1% of all pallets are subject to tampering or theft every year – a total of around 150 million worldwide. Traditional solutions, such as coloured stretch film, have proven ineffective: while they obscure visibility of the pallet’s contents, they do not prevent unauthorised access – and can even allow pallets to be resealed without detection. Safe Track is a patented solution that makes the
pattern on the wrapped pallet easily recognisable – making any interference instantly visible. Despite its effectiveness, it does not generate additional production costs, maintaining efficiency while enhancing security, says Colines. The technology has been tested in offline
configurations, and is under advanced testing for in-line integration on Colines extrusion lines.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.amiplastics.com �
www.borealisgroup.com �
www.saica.com �
www.exxonmobilchemical.com �
www.ingeniapolymers.com �
https://wellspm.com �
www.doverchem.com �
www.novachem.com �
www.metaspectral.com �
www.sml.at �
www.colines.it �
https://noel-automation.com
26 FILM & SHEET EXTRUSION | May/June 2026
www.filmandsheet.com
IMAGE: SML
IMAGE: COLINES
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