EXHIBITION REVIEW | PLAST 2018


in two versions, called Prima and Seconda. On the Roll Pack 4.0 Prima, hand rolls are put in a box which is automatically formed, filled, closed and then stored on a pallet; this model also handles machine and jumbo rolls, which are stored on a pallet. Roll Pack 4.0 Seconda can do everything the Prima does, but it can also take pallets from an accumulator holding up to 10 pallets; it also has an automatic wrapping station to pack the finished pallets ready for shipment. At its headquarters in Novara, not far from the


show, Amut demonstrated production of thermo- formable PET sheet suitable for food-contact applications by direct processing of flakes from waste material. A new demonstration line, which pairs an Amut line with a Vacurema recycling system from partner Erema, incorporates the latter’s PET Laserfilter. Erema says the Laserfilter is increasingly pre-


ferred over piston filters for this type of set-up. Robert Obermayr, head of Erema’s Powerfil business unit, attributes this to the higher process stability through constant pressure operation. Whereas the maximum level of contamination which can be handled by a piston filter lies be- tween 0.05 to 0.1%, the Laserfilter processes input material with a degree of contamination of over 1%, he says. Even so, formation of black spots is not an issue. Screen service life of the Laserfilter can in some cases be as long as 12 weeks.


Below: Bandera prefers to show off its equipment at open houses – not surprising, given how big some lines are


Five-layer film Throughout the fair, Bandera had an open house at its headquarters in Busto Arsizio (also not far from the show), where extrusion lines for flexible packaging and thermoformed rigid packaging running. Bandera said a crucial issue for it at the show was its effort to promote recyclable and/or biodegradable materials.


The company showed off a newly-manufactured PO5 five-layer polyolefin blown film line, also capable of outputs over 1000 kg/h and producing packaging film with a useful width of 2600 mm. It also had an FFS (form/fill/seal) line with production output up to 360 kg/h dedicated to heavy duty bags. A third line was capable of extruding rigid PET, PP and PLA film, with a gross output rate of 1200 kg/h and a useful width of 1450mm, in thicknesses from 0.14 up to 1.5mm. A new Pure unit was dedicated to the production of FDA/EFSA approved packaging rigid films using post-con- sumer PET. ICMA San Giorgio, best known for its twin-screw compounding extruders, was highlighting technol- ogy for production of multi-layer membranes incorporating recyclate. It illustrated a system based on three twin-screw extruders feeding a calender (also produced by the company). “ICMA was one of the first companies to


propose direct extrusion,” CEO Giorgio Colombo pointed out. Incentives recently approved by the Italian government for the recycling of highly contami- nated post-consumer waste (what ICMA calls Plasmix) provide for tax credits of up to 50% for purchases of products resulting from Plasmix. “Our co-rotating twin-screw extruders and


extrusion lines, developed through our project called Ecoimpatto, represent the most advanced frontier to transform these extreme materials into commercial artefacts, usable in different areas,” said the company.


PET recovery Melt filtration specialist Gneuss was also highlight- ing its expertise in reprocessing bulky PET waste such as post-consumer bottle flake and various types of industrial waste without pre- drying. A Gneuss Processing Unit consists of a Gneuss MRS extruder for devolatilisation and decontamination in combination with a Gneuss Rotary Filtration System and an online viscometer VIS for intelligent dynamic viscosity control. Besides producing high quality rigid sheet, Gneuss now also offers the option of producing physically foamed PET sheet from up to 100% post-consumer material with the addition of its new PET foam module. Gneuss says sheet weighing half as much as solid PET sheet can be extruded with a consistent foam structure and mechanical properties. If you need to dry your PET though, Plastic


Systems claims to be the largest supplier of dryers for the material – a business the company founded some 25 years ago. It is a specialist in equipment


36 FILM & SHEET EXTRUSION | July/August 2018 www.filmandsheet.com


PHOTO: BANDERA


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