June 2019 Vol. 1

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


To Enable roll-out of hydrogen, UK’s Iron Mains Gas Networks will have to be Replaced with Hydrogen-safe Polyethylene Pipes by 2030
https://www.powerengineeringint.com/articles/2019/06/uk-engineers-outline-transition-path-to-hydrogen.html

Rotary Friction Welding versus Fusion Butt Welding of Plastic Pipes
https://www.sciencedirect.com/science/article/pii/S2351978919305669

Phased Array Ultrasonic Inspection on PE Pipe Heat Fusion & Electro-Fusion Joints
http://twn-technology.com/Download/SIUI/
SIUI%20Phased%20Array%20Ultrasonic%20Inspection%20on%20PE%20Pipe%20Heat%20Fusion%20&%20Electro-Fusion%20Joints.pdf

Thermography of Thermal Pulsing in Electrofusion Joints of Gas Pipelines
https://www.sciencedirect.com/science/article/pii/S1350449518305279

PIPELINES 2019 CONFERENCE Starts July 21
https://www.pipelinesconference.org/sites/pipelinesconference.org/2019/files/inline-files/pipelines-2019-preliminary-program_0.pdf

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

Chlorinated Water Induced Aging of Polypropylene Random Copolymers (PP-R) Pipes
https://www.mdpi.com/2073-4360/11/6/996/htm

ExcelPlas Labs for Plastic Pipe Failure Analysis and Plastic Pipe Condition Assessment
https://cloud.excelplas.com/index.php/s/7jAPMkOKhuzhWPL


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

Get Your HDPE Pipe Products or Services Noticed – Advertise in Poly Pipe News (PPN) Australia
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This Newsletter is brought to you by Excelplas Labs, Australia’s Largest group of Poly Pipe Testing Labs.

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