May 2019 Vol. 1

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PPN- The Leading Source of Industry News on Polymer Pipes and Plastic Pipe Failure


Qenos is Welcoming you at OzWater’19 in Melbourne (next Week 7-9 May)
https://alkadyne.com.au/qenos-is-welcoming-you-at-ozwater19-in-melbourne/

Effect of Carbon Black Distribution on the Properties of Polyethylene Pipes – Degradation of Butt Fusion Joint Integrity (New Research)
https://www.sciencedirect.com/science/article/pii/S0141391019300680

New ASTM F3371 Standard for Non-Pressure Polypropylene or Polyethylene Pipes and Fittings
https://www.contractormag.com/codes/icc-es-lists-ppe-and-pe-pipes-new-uses-astm-f3371

Uponor S-Press PLUS is the New Press Fitting for Composite Pipes (Sponsored Content)
https://www.youtube.com/watch?v=kvudm2tLAJw

European Plastic Pipes and Fittings Association Elects New President
https://aliaxis.com/fausto-bejarano-appointed-new-teppfa-president/

Friatec Updates its Technical Contacts for Electrofusion and Pipe Fittings
https://www.friatec.de/content/friatec/en/Technical-Plastics/FRIALEN-Safety-Fittings/downloads/Contacts.pdf

Four Technical Reasons why PEX-a Pipe is Best for Plumbing by Jacob John Research Scientist at Uponor
https://www.reevesjournal.com/articles/90059-technical-reasons-why-pex-a-pipe-is-best-for-plumbing?v=preview

ExcelPlas Lab Specializing in Testing and Failure Analysis of HDPE Pipe, PEX Pipe and PB Pipe
http://www.excelplas.com/pex-testing

Pressure Testing of Rehau PEXa Pipe (New Advice Document)
https://www.rehau.com/download/868910/tb211-pressure-testing-of-pexa-piping-systems.pdf

Classification of PEX by Manufacturing Process
https://www.integrityrepipe.com/classification-pex-manufacturing-process/

Effect of Extrusion and Molecular Weight on Ductile Failure of Polyethylene Pipes under Hydrostatic Pressure  (New Research)
https://www.tandfonline.com/doi/abs/10.1080/14658011.2019.1606579

Understanding and Modelling the Diffusion Process of Low Molecular Weight Substances in Polyethylene Pipes  (New Research)
https://www.sciencedirect.com/science/article/abs/pii/S0043135419302854

Mechanical Joining System for HDPE Piping Used in New Resort Development
https://plasticpipe.org/pdf/pme-april-2019.pdf

Qenos Expanding Capabilities for HDPE Pipe
https://utilitymagazine.com.au/expanding-capabilities-for-hdpe-pipe/

Experimental Study of Crack Behavior in Pressurized High-Density Polyethylene Water Pipes  (New Research)
https://www.sciencedirect.com/science/article/pii/S2215016119300974

Influence Of Polyolefin Cross-contamination on The Slow Crack Growth Resistance of Polyethylene Pipe Grades  (New Research)
https://www.researchgate.net/profile/Andreas_Frank3/publication/…../Influence-of-polyolefin-cross-contamination-on-the-slow-crack-growth-resistance-of-polyethylene-pipe-grade.pdf

Thermal-Oxidative Ageing Performance and Life Prediction of Polyethylene Pipe under Cyclic and Constant Internal Pressure  (New Research)
https://onlinelibrary.wiley.com/doi/abs/10.1002/app.47766

Mechanical Properties of Electro- and Butt Fusion Welded High-Density Polyethylene Pipes  (New Research)
https://www.hanser-elibrary.com/doi/abs/10.3139/120.111325

Drinking Water with AGRU Pipe Lining Technology – AGRU 
https://www.agru.at/en/applications/agruline/drinking-water-with-agru-pipe-lining-technology/

Want More Poly Pipe News? –see our Free Web Portal
https://www.polypipenews.com.au/


ExcelPlas – the Australian Pipes & Fittings Testing Laboratory

  • Accredited to ISO 17025 by the National Association of Testing Authorities (NATA) Australia, and is Australia’s largest laboratory dedicated for the testing of plastic pipes and fittings to various Standards which include Australian, European and International Standards.
  • The staff employed at the laboratory have a combined experience of more than 85 years within the plastics industry specifically with manufacturing, quality control and the research and development of plastic piping systems including HDPE, PEX, PP-R, PVC, U-PVC, M-PVC, O-PVC, ABS, GRP, GRE and PB.
  • Services provided include conformance testing, compliance testing, batch release testing, root cause analysis for field failures and non-destructive testing of samples.
  • http://www.excelplas.com/

ExcelPlas Lab Specialising in HDPE Pipe Condition Monitoring, Failure Analysis and Testing
In the event of a HDPE buttweld or electrofusion weld failing during initial testing, or in service, we can conduct investigations to assist in identifying the root cause of the failure.
This service also extends to the premature failure of the pipe or fitting itself.
http://www.excelplas.com/plastic-pipes

ExcelPlas Pipe Testing is a Leader in the Field of Polyethylene (PE) and High-Density Polyethylene (HDPE) Testing
ExcelPlas is accredited with the National Association of Testing Authorities (NATA) for butt weld tests, bend and tensile tests, peel decohesion tests on electro fusion sockets and failure mode determination
http://www.polypipetesting.com.au/butt-fusion-welds/

New UHMWPE Pipe for Tailing Offers Greater Than 4X the Abrasion Resistance of PE100 (Australia wide)
http://slurrypipes.com.au/


ExcelPlas Poly Pipe Weld Inspection Lists Top 7 Causes of Weld Failure:
• Lack of scraping
• Inaccurate scraping
• Contamination from dirt, water, oil or clays
• Lack of Paralell-ness of fusion faces
• Misalignment of surfaces
• Time, temperature and pressure deviations
• Not adhering to cool times

We have extensive experience in inspection of poly pipe welds for assuring welded joint quality.  Direct Poly Pipe Inspection ensures that operators are following the proven welding procedure; this reduces the occurrences of operational errors which lead to defects such as inclusions, lack of fusion (LoF), porosity and misalignment.
More information, contact john@excelplas.com

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