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Kunststoffe international 2001/06

Special Polishing Method Ensures High Film Quality: Special Aspects of PET Film Extrusion

Special Polishing Method Ensures High Film Quality: Special Aspects of PET Film Extrusion

PET is a material which everyone immediately associates with blow-moulded bottles for soft drinks and mineral water. Due to its outstanding material properties and, not least due to falling raw material prices, PET is also gaining increasing importance in other sectors. PET film, in particular, which has low permeability to water vapour, oxygen and flavourings, in addition to good temperature resistance, is becoming increasingly popular. PET film is primarily produced by the polishing process, which has to be customised in line with the particular demands of the material. For this reason, apart from the right choice of extrusion line, the construction of the polishing rolls (Fig. 1) is especially important.

Peter Rieg

Beitrag auf Deutsch lesen
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International Polymer Processing

International Polymer Processing, the journal of the Polymer Processing Society, is a discussion forum for the world-wide community of engineers and scientists in the field of polymer processing.

The journal covers research and industrial application in the very specific areas of designing polymer products, processes, processing machinery and equipment.


International Polymer Processing


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