SHEET MATERIALS | MATERIALS


and the final product analysed. Trinseo says the results confirmed that the rPS


resins meet European food contact regulatory requirements, making them safe for direct food contact applications such as dairy containers, hot and cold drink cups, food trays, and refrigerator parts. Made in Germany, at the company’s


Schkopau facility, the resins contain 30% recycled materials. The feedstocks come from selected sources of pre- and post-consumer polystyrene provided by Heath- land, Trinseo’s recycler. This results in a carbon footprint reduction of around 18% compared to the virgin product. “We are proud to launch the first recycled


polystyrene for direct food contact using dissolu- tion technology,” said Alain Minelli, global product & marketing director at Trinseo.


Weather resistance Primex has launched Prime Weather-X InDuro, a thermoplastic sheet that is engineered to meet the needs of challenging exterior applications. It is aimed at applications that require high performance and longevity in extreme conditions. Its strength ensures that it can maintain integrity and appearance under conditions such as harsh UV light, extreme temperature and chemical exposure. The sheet is available with a variety of cosmetic finishes – including marble, metallic, pearlescent, bronze, and flat black – or a custom colour match to align with company branding or a design vision. In addition to an array of finishes, it offers a bacteriostatic surface – making it suitable for applications that require sanitary conditions. The main beneftis of Prime Weather-X InDuro include: impact resistance, maintaining strength even under demanding conditions; UV stability, ensuring that sun exposure does not cause warping, fading, or dullness; and chemical and scratch resistance.


It can be used in a number of industries, including: RV, for crafting durable exteriors and high-quality finishes; marine, as it handles these conditions “with ease”; agriculture, as it is strong enough to endure outdoor element; and transport, for applications such as vehicle exteriors and parts.


Dryerless extrusion Processing Technologies International (PTI) has further expanded its portfolio of dryerless twin screw extruders for sheet extrusion. The SGTSE MultiRESN model – while not new to


www.filmandsheet.com


the product line – has been gradually improved over time to meet industry demands and process- ing capabilities. It was originally launched as a 90mm 50/LD, 430 hp oil-cooled, co-rotating twin screw.


Maintaining the premise of intermeshing


co-rotating, self-wiping screws, with high-vacuum venting to eliminate the crystallising and drying processes, the SGTSE MultiRESN claims to outper- form other twin-screw technology in terms of operating performance, energy efficiency and sustainable use of resources. Capable of processing a variety of virgin, post-consumer, post-industrial resins and flake – in- cluding PET, PLA, PP, PS and PE, without first having to crystallise, dry or change screws – the SGTSE MultiRESN offers significant advantages. Capital equipment needs, floor space, logistics, associated labour and energy usage are minimised or elimi- nated with dryerless technology. The added capability to process many resins on one system leads to greater versatility and opportunities for the processor to meet consumer demands, says PTI. The new version adds PTI’s M-Atex technology – which allows free thermal expansion of the equipment – as well as its Titan control system, and RealTime IV monitoring. This allows improvements in several areas, including: targeted sizes that coincide with processor needs; modular compo- nents; greater heat retention; higher energy efficiency; and easy screw removal.


CLICK ON THE LINKS FOR MORE INFORMATION: � www.plaskolite.com � www.eastman.com � www.sml.at � www.exolongroup.com � www.trinseo.com � www.primexplastics.com � www.ptiextruders.com


May 2025 | FILM & SHEET EXTRUSION 19


Above: PTI has updated the SGTSE MultiRESN model in its dryerless twin screw extruder range


IMAGE: PTI


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