VANTAGENS DAS TELHAS PLÁSTICAS
• Excelente resistência química e anti-UV;
• Livre de manutenção, nãoescurece como telhas de Fiberglass;
• Baixa condutividade térmica (200 vezes menor que aço e 600 vezes menor que alumínio);
•Ecologicamente correta (reciclável);
• Isolante acústica, elétrica e térmica;
• Leve, atóxica e impermeável;
• Alta resistência ao impacto;
• Menor custo final a longo prazo;
• Translúcidas ou em cores;
• Soldável, moldável ;
• Vida útil maior que 50 anos.
Comparativo das telhas de PE com o Aço e o PRFV (Fiberglass)
PE x Aço
- Total imunidade à corrosão galvânica e eletrolítica
- Muito maior resistência química
- Facilidade de soldagem
- Maior facilidade e velocidade de instalação
- Maior facilidade de reparos e expansões
- Menor custo final da instalação
- Mais resistência a acomodações da estrutura
- Menos energia para sua produção
- Menor índice de incrustações
PE x PRFV (Fiberglass)
- Maior resistência a altas Temperaturas e ao impacto
- Maior resistência química
- Não escurece como telhas de PRFV
- Não necessita limpesa
- Total atoxidade
Energy Efficient PE x Metallic
Energy saving: polyethylene (PE) is an economical and highly cost effective construction panels material.
Production of PE requires less energy to produce
than equivalent metal panels products.
Energy savings are possible due to lower transportation costs owing to the light weight of plastic products vs. metallic .
PE is lightweight, flexible and easy to handle, thus providing energy saving for the manpower and resources required to install it.
PE is easier to take to the job-site and put into place.
Polyethylene plastic is designed to withstand corrosion, extreme weather conditions and surge events.
It’s flexible, durable and ease of use characteristics make it an effective solution in a wide range of applications, and a valuable material for effective natural resource management and long-term, quality panel.
Polyethylene plastic material is compatible with recycling.
All PE should be recyclable at the end of its long projected service life.
Some new polyethylene products are made with
plastic raw materials that include significant quantities of recycled
At the present time, all polyethylene materials, even those for the most demanding applications such as pressure pipe for gas and water distribution, can include polyethylene recycled material obtained from the manufacturer’s own operation.
That is, clean trim and scrap from extrusion and fabrication operations can be (and typically are) collected and recycled within the production facility.
Manufacturers have established sound procedures for incorporating this rework material back into the manufacturing process with no negative effects on product quality.
The performance of these products is not compromised in any measurable way by including these recycled material streams in the manufacturing operation.
Because of this, the typical polyethylene
producer disposes of virtually no polyethylene.
When buildings incorporating polyethylene panels are eventually retired and dismantled, the recovered polyethylene panels will be in-demand for recycling into new polyethylene products.
These panels will provide many decades of service; when they eventually need to be replaced, they are themselves recyclable.
PE Wall Panels USES IN BUILDING AND CONSTRUCTION
As stated earlier, more than 2.0 billion pounds of polyethylene are used in various applications. Some of the main uses and some uniquely applicable uses are described in the following text.
Municipal water piping
Research has established that water leaks lead to an average unbilled rate of 16% for North America’s water pipelines. On this scale, millions of gallons of water are lost every day, resulting in environmental forfeit, in addition to the expensive maintenance of such defects.
Polyethylene’s excellent corrosion and chemical resistance combined with strength and flexibility makes it an outstanding choice for panels.
PE is also highly resistant to freeze breakage that
is a great problem to rigid metallic materials in cold climates.
Polyethylene’s durability, flexibility and thermal
conductivity were main reasons for its choice as the ideal material for this
energy saving concept.
Polyethylene (PE) – An Environmentally Sound Piping Material
Polyethylene was developed and gained widespread use
in the 1930’s as a replacement for natural rubber in wire, cable, and other
During wartime, as natural rubber became scarce, engineers and scientists began using polyethylene as one of the first synthetic rubbers.
Due to its flexibility, chemical resistance and low cost, the use of polyethylene quickly spread to oil field applications where it was used as the connection between well heads and central collection facilities.
In the late 1950’s, utilities began using metal pipe wrapped or coated with polyethylene for low pressure gas distribution applications in heavily populated areas.
This new piping product had superior leak and corrosion resistance when compared to non-coated metal pipes, thus sparking PE’s initial growth into the gas distribution industry.
As polyethylene gained acceptance as a suitable material, pressure rated polyethylene resins were invented, and solid-walled polyethylene pipe began to displace coated steel and cast iron pipe.
Quite simply, the pressure-rated solid-wall polyethylene pipe provided a lower cost solution than metal pipes in most gas distribution applications, For natural gas distribution in large cities where a piping failure could have catastrophic consequences, polyethylene pipe was the answer.
In the 1960’s and 70’s, due to the success and acceptance in the gas distribution application, polyethylene piping began to make inroads into potable water distribution, oil and gas collection, and mining applications.
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