New concept for production of single-stage PE-Xa pipes

Design of a single stage production process for producing PE-Xa pipe.

A group of major European equipment technology developers and material producers, together with Borealis, a leading provider of innovative value-creating plastics solutions, have joined forces to design a single-stage production process for.... [more...]

New Testing Capabilities for Crosslinked Polyethylene

New method of assessing degree of crosslinking.

Since the discovery of Sioplas® technology in the late sixties by Dow Corning, PEX-b pipes processing has been progressively well established and derived into various alternatives around the same theme, e.g., Monosil®, Visico®, or Spherisil.... [more...]

What is crosslinked Polyethylene and why do we use it?

Polyethylene in its various forms is essentially a long chain carbon-based polymer.

STRUCTURE
To understand this topic we need to know a little about the basic structure of the polyethylene polymer. Polyethylene in its various forms is essentially a long chain carbon-based polymer. The chains are not linked directl.... [more...]

User-friendly installation of a crosslinkable PE for hot pressurized water

To heat buildings and houses, a common source of heat with a large ‘district heating’ distribution system is used more and more.

To heat buildings and houses, a common source of heat with a large ‘district heating’ distribution system is used more and more. This system is both economic and ecological as it avoids the generation of heat by thousands of private heating.... [more...]

Structural Conditioning Embedded Coils

Thermocast

Presentation Overview

• Why have we developed Thermocast?
• Sustainability and Structural Conditioning
• What is Thermocast?
• How does Thermocast Work?
• Research and Testing
• Costs
• Advantages of Thermocast

Why Dev.... [more...]

Rehabilitation Of District Heating Networks

District heating and combined heat and power systems are becoming an attractive way of reducing greenhouse gas emissions.

ABSTRACT

District heating and combined heat and power systems are becoming an attractive way of reducing greenhouse gas emissions. This has resulted in renewed interest in such systems used to provide electricity and heat to citie.... [more...]

Properties Of Crosslinkable Polyethylene

Physical Properties

Fully crosslinked finished articles made from ISOPLAS crosslinkable polyethylene will exhibit outstanding resistance to rigorous environments. The major areas of property improvement in comparison with conventional and many other thermoplas.... [more...]

PEX Piping Systems and PB Piping Systems
What is the Difference?

Often end-users ask the question – how are PEX and PB different? The purpose of this paper is to outline the differences and similarities.

FOREWORD
This technical note was developed and published with the technical help and financial support of the members of the PPI (Plastics Pipe Institute, Inc.). The members have shown their interest in quality products by assisting.... [more...]

HOOP STRESS PE-X

Hoop stress - lifetime curves (according to DIN Standards for PP, PB and PEX pipes).

See the file below.... [more...]

Flexible, pre-insulated polymer district Heating pipes.

A service lifetime study

From Jan 6th 2001 until March 31st 2005 a research project, funded by the German Ministry for economy and Research had been carried out in order to investigate technical details not yet researched. The results of the project have shown tha.... [more...]

Evaluation Methods For Crosslinked Polyethylene Pipes For Hot Water Supply And Space Heating Systems

Evaluation methods

ABSTRACT
This paper describes test methods for crosslinked polyethylene (PEX) pipes to evaluate long-term performance such as the resistance to chemical degradation due to residual chlorine at high temperature by the formation of cr.... [more...]

Electron Beaming Of Large Diameter Thickwalled Polyethylene Pipes

(Pe-Xc)

ABSTRACT

The crosslinking of polyethylene by irradiation is a well known technology in the sanitary and heating pipe market. For more than 20 years PE-Xc-pipes in dimensions up to about 40 mm and wall thicknesses up to about 4 mm .... [more...]

Copolymerized Silane PEX Technology

A New Innovation for Producing PEX Pipes

Abstract
For nearly three decades two technology processes have been available for production of PEX piping by moisture induced silane crosslinking (PEX-b). The first technology, the Sioplas™ process, was invented and patented by Do.... [more...]

An Experimental Investigation Of PEX-B Extrusion

This paper will review the various methods of producing crosslinked polyethylene pipe (PEX) and will look at the processing characteristics of producing moisture-cured silane PEX by the one-step method.

INTRODUCTION

The crosslinking of polyethylene is a useful way to improve the mechanical properties of polyethylene. These improved properties include, but are not limited to; thermal stability, chemical resistance, melt flow, proc.... [more...]

30 Years of Pressure Testing on PE-Xa Pipes

Feedback from the market in 30 Years of Application

Advantages of PE-X Pipes:

• approval for hot and cold water installation
• hygienic safe
• outstanding long term strength & very good resistance against heat ageing
• long service life even with high operation pressure (> 10 ba.... [more...]

Trends In Plastic Pipes

Pipe market

Categories of pipe used are gravity pipe for building and civil engineering, pressure pipe for utilities and plumbing and for industrial use. The gravity sector is by far the largest.

In industrialised countries 89% of all sewage pipes .... [more...]

Tux100 The Crosslinkable PEX Compound

Value and technical leadership for critical piping systems
ELTEX®TUX100, cross-linkable ready-to-use HDPE compound

Transportation of oil products, liquid chemicals, hot water or distribution of gas in extreme conditions poses challenges every day for engineering companies and piping system producers.

The solutions chosen must offer high performance .... [more...]

Saving Life, Saving Money

The case for residential sprinkler systems

Agenda
• About Capita
• US experience of Domestic Sprinklers
• UK experience of Domestic Sprinklers
• The case for change
• Implementation Issues

Capita, DELIVERING VALUE FOR OUR CUSTOMERS
Our portfolio has been built.... [more...]

‘PE-X, not just a material for plumbing applications’

Engineering companies and pipe system producers are continuously looking for high performance and economic materials that can be used for more demanding applications.

PE-X is one such material
• Cross-linked polyethylene
• Four principle processes, cross-linking the base polymer during or after pipe extrusion
• Network of links formed, tying molecules together reinforcing the structure

PE.... [more...]

PEX Piping Systems and PB Piping Systems
What is the Difference?

Often end-users ask the question – how are PEX and PB different? The purpose of this paper is to outline the differences and similarities.

FOREWORD
This technical note was developed and published with the technical help and financial support of the members of the PPI (Plastics Pipe Institute, Inc.). The members have shown their interest in quality products by assisting.... [more...]

New Realm Of Possibilities For PEX Pipes

PEX (cross-linked Polyethylene) pipes have been traditionally used for indoor applications such as underfloor heating, hot and cold water pipelines and district heating pipelines.

Recently these pipes are being used in mainly industrial applications, water mains and gas lines.

The success of PEX pipes in these and similar applications is based on the special qualities of the PEX material, some more known than othe.... [more...]

New Possibilities For Silane PE-X Materials

Using a novel crosslinking catalyst system And innovative pe resins

ABSTRACT
Silane crosslinking is one of the major methods used commercially today to bring about crosslinking of pipes. However, to achieve reasonable crosslinking rates it is necessary to add a catalyst masterbatch at extrusion. In .... [more...]

Hot & Cold Water Pipe Systems - Europe

Applied Market Information

• Established 1986, Bristol based plastics consultancy
• Employ 26 at two offices in Bristol UK and one in Wyomissing, USA.
• Offer global research services including:
– Strategic Consultancy
– Retained Consultancy
– Private Client.... [more...]

Installation Guide For Hot & Cold Water Systems

Installation guide of plastic (PE-X, PB-1, PP-R) and multilayer (metal-plastic) pipe systems for hot and cold water.

See the file below.... [more...]

Hoop Stress Performance of PEX Comparison

Hydrostatic resistance at 95 °C

See the file below.... [more...]