CONTENTS
5 Industry news PAGE 13
13 Pushing polyolefins into new areas The range of applications for polyolefin pipe continues to grow, due in part to higher performing grades – and the willingness of contractors to specify these materials
23 Developments in screws and barrels Keeping tabs on screws and barrels is becoming more commonplace thanks to recent innovations that can monitor wear or assess screw efficiency COVER PHOTO: MAGOG INDUSTRIES
29 Getting it right at small scale The need to boost output has focused development on large extruders – but many principles and process conditions are first proven using specialist laboratory extruders
35 Modelling software for plastic extrusion Software to model the extrusion process includes packages to calculate everything from cooling behaviour to wall thickness and load distribution
39 Technology: Materials 40 Technology: Machinery 44 Extruder of the month: BT Industrial 46 Dates for your diary
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COMING NEXT ISSUE � PE100+ � Materials recovery/granulators � Pipe joining � Mixers � Chinaplas preview
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March 2021 | PIPE & PROFILE EXTRUSION 3
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