FAKUMA | SHOW REVIEW


extrusion of sheets, profiles and hoses. Unlike granules for direct processing, Lubmer


LY1040 is a masterbatch based on the standard grades that is compatible with most engineering plastics and can replace PTFE as an additive. As a PFAS-free engineering plastic modifier, it has better sliding properties than PTFE or molybdenum disulphide even at low addition levels of 3-5%. It can also improve the wear resistance of PA6 and many other materials without affecting the sub- strate properties. Typical applications include bearings and gear parts for electrical equipment and automotive interior parts as well as mechanical components for lifts and escalators. Mitsui has developed the PA Lubmer alloys LS4140 and LS4120 for applications that require increased mechanical strength, plus the PA masterbatch LY4100, which can be added during extrusion or injection moulding without com- pounding. � www.dreyplas.com


Envalior, which supplies engineering polymers, showcased a range of its products at Fakuma – in- cluding a number of applications in areas such as furniture and fuel cells. Its portfolio includes engineering plastics such


as PA6, PA66 and PA46, PBT, PPS and PPA. “With this range, we can meet different and demanding material requirements,” said Tim Arping, director of innovation and advanced development at Envalior. Its new PBT product range, Pocan X-MB, is based on bio-derived 1,4-BDO – made from used cooking oil. The proportion of sustainable material in the base resin is 26% and is certified according to ISCC Plus. It can be increased to over 70% if recycled glass fibres and PET from post-consumer recyclate are also used in the compounds. The CO2 footprint of the new products is more than 30% lower than that of standard compounds. It can be used as a drop-in alternative for fossil products. At the show, it exhibited a lightweight Remode office chair from Dutch manufacturer Koninklijke


Ahrend. More than two thirds of its weight is made from a recycled, glass fibre-reinforced PA from Envalior, derived in part from recovered fishing nets left in the sea. A further proportion of the compound comes from post-industrial waste. Envalior also showed tailor-made Xytron PPS compounds, with low ion leaching, for use in fuel cells. The material ensures that the cell membranes are not contaminated, so the efficiency and reliability of the cells remains stable. In addition, the compounds – such as Xytron G4080HR – are resistant to hydrolysis and dimensionally stable in liquid cell media. � www.envalior.com


During Fakuma, LK IMM – the European subsidiary of Hong Kong-based engineering group LK Machinery International – injection moulded the two parts of a caliper gauge made of polycarbonate. The part was made on two machines – a Potenza


V and an Elettrica – each equipped with a single- cavity hot runner mould. “When it comes to measuring instruments, maximum accuracy is a matter of course – ideally no real tolerances and a zero-error rate,” said Stefano Riva, Regional Manager Europe at LK IMM. He added that the two parts would normally be assembled by two robots in industrial-realistic operation. A hydraulic Potenza V toggle injection moulding


machine, with a clamping force of 2,000 kN, made the moving part of the caliper. Despite having mould installation dimensions of 150 x 480mm, a maximum daylight of 840mm and 670 x 670mm platens, it used a small single-cavity hot runner mould to keep the polycarbonate consumption “within ecological limits”. A 1,300 kN Elettrica machine made the polycarbonate leg of the


IMAGE: LK IMM EUROPE www.injectionworld.com November/December 2024 | INJECTION WORLD 37


Above: Envalior showcased a range of its engineering polymers and applications at Fakuma


Left: LK IMM used two machines to make a two-part


polycarbonate caliper gauge at Fakuma


IMAGE: ENVALIOR


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