CONTENTS PAGE 5


5 Industry news Trex raises half year results by 25%; Ply Gem merges with NCI, and buys Silver Line; Exhibitors sign up for new US extrusion shows; Simona boosts first half profits despite slow sales growth; Pipe makers head to Berlin for new fittings and joints conference


13 Material boost for medical tubing Material developments are ensuring improved performance for medi- cal tubing in everything from peristaltic pumps to balloon angioplas- ty. Lou Reade reports


21 Profile building Demand for plastic window profiles is growing, thanks in part to new technologies such as PBT co-extrusion and new foam sealants – as well as an established network to recycle the profiles. Lou Reade reports


29 Making the cut: downstream equipment Once parts like profiles have been extruded, they often need some degree of post-processing – such as cutting or punching – in order to produce the final product


39 Infrastructure improvements Trenchless installation methods help to ensure that failing pipelines can be rehabilitated but with minimal disruption. Lou Reade reports


45 Building demand for PVC additives As global markets for PVC – particularly construction – continue to show healthy growth, many additive suppliers are enhancing and updating their offerings. Peter Mapleston reports


58 Extruder of the month: WKT 60 Dates for your diary


COMING NEXT ISSUE � PVC-O pipe � Materials handling equipment � On-site/mobile pipe production � Pipe inspection


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September 2018 | PIPE & PROFILE EXTRUSION 3 PAGE 45 PAGE 29 PAGE 13


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