The combination of uPVC window frames and double glazing makes for highly energy efficient windows. Unlike metals, uPVC is non-conductive, meaning as a window frame it does not transfer heat well and therefore doesn’t transfer temperatures from inside to outside, or vice versa.
It contributes to a more consistent internal temperature for a building, improving indoor comfort and so reducing the amount of energy required to maintain comfortable indoor temperatures.
IN WINTER – as the uPVC frame doesn’t transfer heat from the warm inside to the cold outside, uPVC double glazed windows work well at reducing loss of heating warmth in cold weather.
IN SUMMER – uPVC window frames reduce the transfer of heat from outside to inside, keeping the interior cooler and reducing the need for artificial cooling. Cooling a home in summer can use up to three times the energy required to heat it in winter.
The low conductivity of uPVC as a material and the tight seals uPVC windows provide make uPVC windows an excellent choice in energy efficient buildings.
Select the links below to view a comparison between PVC and metal window profiles using thermal transfer modelling.
The thermal transfer modelling is provided by AFRC Lab Pty Ltd. The temperature of the internal side of the frames is recorded over a 24-hour period in comparison to the external temperature, based on window design simulations.
The source of climate data is ASHRAE climate stations data for 9 February and 15 July 2017. The sources of data for material/window thermal performance included Therm 7.6 Material Library, Window 7.6 for Glass, Matlab. The window system configurations, based on typical available systems, were Upvc: 4 - 14 Argon – 4; Aluminium 5 -10 Argon – 5.
This study is proudly sponsored by
Building on the success of the two previous PVC AUS conferences held in 2016 and 2018, PVC AUS 2020: Shared Horizons will bring together the vinyl value chain from across the region.
Over A$1 billion of raw materials are consumed by Australia’s PVC manufacturing industry annually and over A$3 billion of products containing PVC are sold in Australia. The ANZ vinyl industry is seen as progressive and innovative and highly connected to Asia Pacific supply chains.
Over two days, PVC AUS 2020: Shared Horizons will have content-rich plenary sessions, technical presentations, panel discussions and table top exhibitions, together with plenty of networking and conversation time including:
> 3 hours of welcome drinks, networking and fun at Topgolf Gold Coast
> Dinner with an amazing view and great entertainment at SkyPoint, the Gold Coast’s highest, most unique venue.
This event will provide an exceptional opportunity to reach, network with and influence key decision makers in the industry.
With experts in PVC manufacturing, product development and markets supported by world-renowned companies as sponsors and exhibitors, this event will explore future trends and opportunities for the industry in the region.
Registrations are now open! Book here.
> Gaining priority access to industry decision makers
> Raising your company’s profile within the industry
> Increasing awareness of your company’s products and services among key industry players and prospective clients
> Generating sales opportunities
> Networking with peers and building professional networks
A range of a packages are available to suit companies large and small. Refer to the Sponsorship Prospectus for further information.
Check out what you missed at PVC AUS 2018: Shaping the Future by viewing this short video.
BEP PVC Certificate expires October 30th, 2020
BEP PVC Certificate expires 3 Jun 2020
PVC Duct Work
ECODUCT 300 Series
BEP PVC Certificate expires 3 Jun 2020
ARFA is the peak industry body in Australia representing Resilient Floor and Wallcoverings and is a member of the Vinyl Council of Australia.
Visit ARFA's website for more information.
Presentations and papers given at PVC AUS 2018: Shaping the Future, Sydney 13-15 March 2018.
|Eddie Kok||IHS Chemical||A global outlook on PVC supply/demand – will supply get tighter in the next five years?|
|Arjen Svenster||ECVM||VinylPlus – the European voluntary commitment in the context of circular economy|
|Cristian Barcan||Vinyl Institute||Vinyl for a purpose-driven sustainable development – a US perspective|
|Terence Jeyaretnam||EY||Evolution of voluntary and regulatory Product Stewardship programs in Australia: Challenges, drivers and the future|
|Allan O’Connor||Department of Defence||Sustainable procurement in a large infrastructure program – a purchaser’s perspective on PVC|
|Darryl Stuckey||Lendlease||EPDs on the high rise: Supplier engagement and whole building LCA|
|David Baggs||Global GreenTag||The comparative life cycle evaluation of PVC vs other flooring|
Stuart Douglas, Dennis Collins
|innovyz / PVC Separation||PVC Separation – a new chemical technology to separate PVC laminated materials|
|Neil Wilson||Romar Engineering||3D printing and its aid to manufacturing|
|Berend Stel||Rollepaal||Developments in O-PVC extrusion technology|
|Dr Tracy Wakefield||Plustec||Avoiding the Venus flytrap of Australian windows|
|Nigel Jones||Australian Vinyls||New developments in performance and delivery of PVC for the Australian market|
|Rob Jagger||Business Outcomes Group||Identify and evaluate the best opportunities for business growth|
|Gerhard Hoffman||Greiner Extrusion||PVC Profiles – an expanding market opportunity|
|Dario Soncin||Plasmec||Latest Development in PVC mixing: (1) Mixing tools technologies and cooling efficiency
(2) Reducing the effects of humidity in the PVC dry-blend
|Christian Birzer||Krauss Maffei||Plastic processing machinery – being prepared for the future|
|Dexter Chan, Alex Krassas||Arkema / Rebain International||The merits of pure acryllcs to replace CPE|
|Dane Tallen||Baerlocher||Calcium based solutions for injection moulding. Can one size really fit all?|
|Stephen Moore||Townsend Solutions||Global trends in PVC resin applications and additives usage|
|Ben Burden||Employsure||How to avoid employee Fair Work claims – unfair dismissal, bullying and harassment|
|Burak Dincel||Dincel Construction||Protecting and innovating our industry|
|Andrew Swan||TechPlas Extrusions||CASE STUDY: TechBoard – Analysing market entry and acceptance of an innovative product for a previously
|Barbara Nebel||thinkStep||Without a seat, three legs alone make no stool|
|Michael Barnacoat||ProGeneus||CASE STUDY: Resysta – the irresistable product|
|Helen Millicer, Dr Mark Richardson||Vinyl Council of Australia / Monash
University Department of Design
|‘Wicked’ sustainable design – tackling end-of-life PVC|
|Sophi MacMiIlan, Laveen Dhillon||Vinyl Council of Australia||Vinyl: Shaping the future|
|Matthew Warren||Australian Energy Council||The future of energy in Australia|
|Geordan Murray||Housing Industry Association||Construction market outlook and emerging trends|
|Alex Stanley||NAB||Australian economic and financial outlook|
The Vinyl Council, on behalf of the Signatories of the PVC industry’s Product Stewardship Program, commissioned a national PVC Waste Audit. The Audit was conducted by Nolan ITU in 2005 to understand and gather data on the amount of PVC waste entering the waste stream in Australia annually.
The major proportion of PVC resin is consumed in long life applications which take years to enter the waste stream. Based on historical resin consumption by application going back to the 1940s and average service life times for each application, the Audit estimated how much of each application would be entering the waste stream today and going forward to 2015.
The Audit is the most comprehensive study to date on the quantities of PVC waste currently generated in Australia. Data was obtained from importers and exporters, manufacturers, converters and recyclers.
The findings from data collected for the calendar year 2004 were:
The audit suggested priorities for PVC recovery based on the amount of available end-of-life PVC by application, ease of recovery, current infrastructure, and technical issues in the recycling process.
The Product Stewardship Program has subsequently launched an action plan, Vinyl-2-Life and a Industry Strategy to investigate barriers to recycling in the priority applications, set objectives and strategies and assist in the development of infrastructure for material recovery.
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Best Practice PVC for AS/NZS 2053:2 2001 Conduit & Fittings and uPVC cable trunking systems:
Australian Plastic Profiles Pty. Ltd.
Current BEP PVC verification expires
Iplex Pipelines Pty Ltd
Current BEP PVC verification expires
Pipemakers Australia Pty Ltd
Current BEP PVC verification expires
Current BEP PVC verification expires
Vinidex Pty Ltd
Current BEP PVC verification expires
Plastic Bend Fabrications Pty Ltd
Current BEP PVC verification expires
A burning question: is PVC the major source of dioxin emissions?
It seems that concern still exists that PVC products are a major source of dioxin emissions and that if PVC products were therefore banned, the risk of exposure to dioxins would be virtually eliminated.
Just last week, we had an inquiry from a consumer who was very interested in installing uPVC windows in her new home but was concerned because she had read on the internet that they could emit dioxins during use. Such misinformation around dioxins is really troubling.
So what is the connection between PVC and dioxins and is such concern warranted?
Dioxins are a group of toxic compounds that are formed unintentionally during combustion processes such as waste incineration, forest fires, backyard bonfires and in many industrial processes. To form, a minute amount of chlorine is required together with a particular range of temperature and oxygen concentration conditions, constituting poor or incomplete combustion.
Because of the need for chlorine to be present, this has led to the association of dioxins to chlorinated compounds, like polyvinyl chloride, PVC. However, it has been well established now that the presence of more chlorine during combustion doesn’t equate to more dioxins being formed; that is, there is not a direct quantitative relationship between chlorine content and dioxin formation.
PVC contains chlorine, derived from the electrolysis of salt, NaCl. It has been claimed by some that since the production of PVC consumes about 30 percent of the industrial chlorine produced globally, PVC must be the largest source of dioxin emissions: chlorine in, dioxins out. But this argument is ill-founded since dioxins are only formed as a by-product of combustion; PVC or other materials containing chlorine – like salt – do not emit dioxins in their normal state.
Dioxin formation can occur in the chlorine production process where graphite anodes are used. Many industrialised countries replaced the graphite anodes in the 1970s.
Industrial emissions of dioxins peaked in the 1980s. Active abatement policies including regulations on combustion processes and incineration have dramatically reduced emissions from industry by 90 percent in Europe and the US, yet the production of PVC over the period has increased threefold. PVC production is clearly not positively correlated to dioxin emissions.
So what are the sources of dioxin emissions?
Essentially, any process involving combustion in the presence of a minute amount of chlorine can lead to the formation of dioxins under certain temperature and oxygen conditions. Thus burning PVC in the open or in a building fire could lead to dioxin emissions, just as burning timber (because trees, as living matter, contain chlorine ions) or a sausage on your barbeque (because it contains salt) could. Diesel engines, production of zinc, aluminium, iron & steel, bricks, cement and ceramics, timber kilns and many other industrial processes, including manufacturing the precursors to PVC, can be sources of dioxin formation.
Dioxins are Persistent Organic Pollutants (POPs) and for many years there has been an international effort to address POPs globally. Australia is a signatory to the Stockholm Convention on POPs and, as part of its obligations under the Convention, the Federal Government undertook an inventory on dioxin emission sources, the update of which was published in 2004 . This found that uncontrolled combustion processes - including waste burning and accidental fires, but most significantly influenced by emissions from grass and bush fires - contribute approximately 75 percent of all emissions in Australia. Ferrous and non-ferrous metal production (aluminium, zinc, steel etc) accounted for nearly 9 percent of total emissions in Australia, while local PVC manufacturing was negligible (less than 0.001 percent of the total).
Australia’s Action Plan to reduce dioxin exposures and emissions does not refer to PVC products or production; it does include actions to be implemented for some other (non-PVC related) industrial processes.
It’s not what you burn, but how you burn it that is important.
Regulations on open burning together with modern incineration and industrial combustion processes are proving successful in minimising emissions of dioxins and have contributed to the significant falls in emissions in developed countries. Life cycle assessments and regulatory monitoring of PVC manufacturing show that dioxin emissions from the PVC industry are extremely low.
So should we still be concerned about dioxins?
Yes, they are considered highly toxic and carcinogenic, because of their persistence, bioaccumulation and prevalence in the environment; and yes, we should minimise their formation and our exposure to them.
Would not using PVC make a difference? No.
Read more about the effective managment of dioxins in PVC manufacture and incineration in the following VinylPlus publications: