These are available in a variety of sizes and output levels, up to the sixpiston system with twelve parallel filter screens. This is why so many of our SW RTF filters are also used successfully for optically ultraclean film applications and have proven their merits even in inline applications which require a stable and smooth process for clean results. Together with the patented pre-treatment of the PET flakes this results in an end product with top-quality reproducibility and stability in terms of viscosity, colour and purity. Thanks to the large filter surface and pressure-stable single-screw extruder, unequalled pressure stability upstream of the flat die can be reached compared to other processes, despite a higher level of contaminants in the input material. ![]() I would like to emphasise the process stability to be achieved here. Which application fields are recommended in particular for SW RTF melt filter systems? Christoph Wöss: The Erema highperformance filters can be connected directly to the extruder outlet and have been so successful especially for large area ultrafine melt filtration in the production of flat film that other manufacturers of film plants now use the EREMA piston screen changer for melt filtration as standard. What is the additional benefit for the users as a result? Christoph Wöss: Here it is worth noting in particular the fact that our customers save costs which are often necessary in the case of other manufacturers’ systems due to expensive special filters. These factors play a considerable part in the outstanding efficiency of the systems and the result is extremely clean recycled pellets. These screen changers feature a fully automatic self-cleaning system which, despite extremely fine filtration of 32 μm, allows low pressure losses, high filter capacity and long filter service life. 03/15 What technical innovations can be found inside the SW RTF melt filters? Christoph Wöss: First and foremost the very large active filter areas and the patented partial surface backflush screen changers. Netstal says that its best practice, called thin-wall centring, centres the core by means of rheological flow paths and varying melt pressure levels. the lack of concentricity between the mould, which forms outer contour of the cup, and the core, which forms the inner contour, has a direct impact on product quality. The company points out that the production of drinking vessels is highly complex and when producing thin-walled packaging, the ratio of flow path to wall thickness (F/W) demonstrates increasing difficulty as the ratio rises. Your UV invisible protection our tailor-made UV blockers Booth S26167 High Performance Liquid Colours and Additives crystal clear 300 to 400nm West Hall Level 2, Booth:W903 Thin-wall drinking vessels Netstal will be demonstrating production of 44oz (1.3 ltr) “stadium” cups with IMLs on a hybrid ELION 3200-2900. The new, fully automatic processing system, designed especially for the recycling of PE edge trim, is the successor to the KAG system. The INTAREMA K is described as an intelligent in-house recycling solution that can maintain consistent end product quality, while saving production and labour costs. ![]() Its INTAREMA 605K fully automatic edge trim system, which is aimed at the in-house recycling sector, will be demonstrated at the show as well. The company says that the Laserfilter is particularly suitable for the processing of materials with a high degree of contaminants such as wood, paper, aluminium or copper. It will demonstrate the new system on its stand at NPE. ![]() 03/15 West Hall Level 2, Booth:W5673 Capacity expansion and latest developments for recycling Erema North America, Inc., a subsidiary of Erema Engineering Recycling Maschinen und Anlagen Ges.m.b.H., has announced that it is to expand its facilities at Ipswich, Mass, from 1000m² floorspace and three recycling systems to 2400m², and will add an INTAREMA 1108 TVEplus with Laserfilter system to the existing equipment. "TRADE SHOW PREVIEW 49 PETplanet insider Vol.
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