CONTENTS PAGE 13
4 Industry news
13 Fluid transfer: medical tubing Delegates at a recent AMI conference discovered how new materials and processing techniques are helping to improve the performance of medical tubing
27 Turning point: screws & barrels Machine life and performance, as well as final product quality, can all be improved by choosing the best screw configuration – or by using a custom-designed replacement
33 Forced out: die developments Developments in die heads include double-strand extrusion for multi-layer pipe, a reciprocal die to make drain tubes, and using a ball joint to adjust wall thickness
37 Draining matters: corrugated pipe Recent advances in corrugated pipe include additives to boost the use of recyclate, a conical extruder for faster production and PP drainage pipe for a new $800m bridge
42 Extruder of the month: K-Flex 44 Dates for your diary
COMING NEXT ISSUE � Pressure pipe � Granulators � PVC stabilisers � Extruder technology Previews: K2025, PEWE NA
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COVER PHOTO: SHUTTERSTOCK PAGE 27
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Summer 2025 | PIPE & PROFILE EXTRUSION 3
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