PROCESSING | MACHINERY
oped using Enva’s advanced sorting and com- pounding processes, it represents the company’s whitest recycled HIPS grade to date, delivering the consistent colour, physical performance, and dependable long-term supply demanded by modern manufacturers. The new compound builds on Enva’s position as
Above: RTP Company says that by
combining material expertise with its compound- ing capabilities, it provides solutions for customers
One recent development is the optimisation of
Coperion’s EGR eccentric pelletiser, which is specifically designed for integration with the Kombiplast system. The redesign included im- provements to air supply, material conveying, and pellet handling. Based on simulations and practical testing, pellet conveying now takes place at considerably lower feed pressure, allowing gentler material handling, improving pellet quality, and reducing the risk of agglomerate formation. In addition to quality improvements, the new EGR significantly reduces energy requirements. The redesign also improves operational efficiency through faster heating, simplified die plate chang- es, and increased machine availability, contributing to higher overall equipment effectiveness (OEE). German company Entex promotes its planetary
roller extruder for plastics and bioplastics applica- tions where continuous processing, gentle treat- ment of temperature-sensitive materials, degas- sing, and self-cleaning are important. The technology is particularly interesting for com- pounders who are exploring materials with narrow processing windows. Bioplastics, for example, can be sensitive to hydrolysis or thermal degradation, while some bio-based polymers and formulations contain components that require careful control of residence time and temperature. The ability to manage heat transfer and devolatilisation effec- tively can therefore become as important as achieving effective dispersion.
New applications Enva has launched a new compound that enables manufacturers to increase recycled content, reduce carbon emissions, and move closer to circular production. White HIPS-8513 is described as a high-quality recycled high impact polystyrene compound containing 93% PCR content. Devel-
30 COMPOUNDING WORLD | October 2026
both a recycler of end-of-life white goods and a manufacturer of high-quality recycled plastic compounds, ensuring that plastic recovered from end-of-life refrigerators can now be transformed into a white HIPS compound that delivers perfor- mance comparable to virgin material. While White HIPS-8513 has been formulated specifically with white goods manufacturers in mind, where it is suitable for applications including refrigerator liners, shelves, trays, and shelf surrounds, Enva also sees significant potential across the construction sector for products such as piping and ducting, ventilation components, access panels, and loft hatches, as well as possible opportunities within the automotive sector. Unlike traditional supply chains which often sees manufacturers source recycled polymers from multiple suppliers, Enva controls every stage of the process from collecting and recycling through to producing finished compounds. This integrated approach not only delivers significant environmental benefits but also provides customers with greater confidence in the long-term availability, traceability, and consistency of their raw material supply. “Manufacturers are under increasing pressure to
reduce the environmental impact of their products while maintaining the quality and performance their customers expect,” said Bradley Wright, General Manager, Plastics GB at Enva. “White HIPS-8513 demonstrates how a truly circular approach can deliver both.” RTP Company, a compounder of custom
engineered thermoplastics, says it continues to formulate and adapt innovative materials as the manufacturing world changes with the times. By combining material expertise with extensive compounding capabilities, the company says it helps customers navigate their challenges and identify thermoplastic solutions designed to meet the demands of their product applications. The company notes that in recent times the global medical market has rapidly expanded its need for thermoplastic materials to manufacture drug delivery devices, surgical equipment, and diagnos- tic systems. In North America, the industrial and electrical/electronic markets are also growing, largely due to the rise of data centres and the infrastructure installations that support them.
www.compoundingworld.com
IMAGE: RTP
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