MATERIALS | POLYOLEFINS
“The momentum for Uponor PP-RCT is continu- ing to build, and the industry is recognizing the benefits of an all-polymer piping system – which includes our PEX-a pipe and ProPEX fittings” said Michael Nicholson, business director for PP-RCT at Uponor. “By including hot potable in our PP-RCT offering, we are well-positioned to provide a complete polymer solution.” To further address demand, the company is pursuing a multiple-source model that will offer a consistent supply of Uponor PP-RCT for customers and future commercial projects. “While we have a secure supply of current
Above: Uponor says its PP-RCT pipe will help meet demand for commercial domestic water systems
pressure-resistance. More than 1000m of this pipe were used.
“Since the PP pipes are significantly lighter than metal pipes, logistics on the construction site were simplified,” said AS Impianti.
Double benefit Union Pipes Industries is using HDPE from Borouge to make double-wall corrugated (DWC) pipes for the sewage network on Jubail Island in the United Arab Emirates (UAE). Jubail Island is currently undergoing a real
estate development project and Abu Dhabi Sewerage Services Company (ADSSC) is building the sewage network. The DWC pipes are mechanically joined, easily
transported, and resistant to corrosive gases, chemicals and infiltration. Hazeem Sultan Al Suwaidi, Chief Executive
Officer, Borouge, said, “Borouge is proud to be playing a key role in helping build the infrastruc- ture of Jubail Island. “ADSSC’s requirements created a clear starting point for our team to contribute to the DWC piping system, which will transform the infrastructure of the island,” said Hazeem Sultan Al Suwaidi, CEO of Borouge. The development project includes the installa-
tion of a mock-up network: HDPE structural manholes of 1600mm diameter, with 5m depth and a 117mm solid wall, connection coupling and 500mm diameter DWC pipe.
In hot water Uponor North America has introduced PP-RCT hot potable water pipe and fittings for domestic applications.
It says the pipe will help meet the demand for commercial domestic water systems.
14 PIPE & PROFILE EXTRUSION | March/April 2023
offerings, including hot potable, we are working to establish a multiple-source model that will expand our portfolio in the future, including larger-diameter PP-RCT pipes and other products,” said Nicholson.
Bimodal resin Dow has introduced its Fingerprint DFDA-7555 NT bimodal polyethylene resin for micro irrigation applications. The material – made with Unipol technology – can be used for micro irrigation tape and profile extrusion. Tape made using the resin can be given a higher stiffness – while also incorporating post-consumer resin (PCR). “We are committed to helping our drip irrigation customers and growers create strong solution to benefit their production and sustainability efforts,” said Stephanie Giles, customer and application development manager at Dow. The new Fingerprint grade – part of a larger
portfolio – can help producers make micro irriga- tion tape with downgauged wall thickness, with better draw-down characteristics. The grade also has a good balance of extrusion ease and tough- ness – and both high tensile and elongation properties. Rachel Anderson, a research scientist at Dow, added: “Beyond durability, there is a growing demand for sustainably made irrigation systems.”
Renewable pipe At K2022, Borealis showed an application of its ISCC Plus-certified Borenewables range of materials. Italian pipe manufacturer Nupi has used
polypropylene (PP) from the range to make its Niron Beta PP-RCT pipe. The pipe is used for domestic plumbing, heating and HVAC systems that are designed to perform under higher stress conditions and temperatures. The material offers the same performance as virgin PP. Borealis says this helps Nupi prepare for when legislation will require the use of renewable
www.pipeandprofile.com
IMAGE: UPONOR
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