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2010 World Climate Summit in Copenhagen to a low-carbon economy, low-carbon life, all this shows, energy-saving windows and doors to China's hardware industry, will undoubtedly put forward the new direction of development, the promotion of energy-saving windows and doors to the hardware industry is security shutter a great opportunity for also doors and windows should be to pose a challenge to the industry, research, development, promotion of energy-saving windows and doors is currently a major theme. Energy-saving windows and doors how to identify it?
1, intensity
High-grade steel doors and windows and aluminum doors security shutter and windows and almost the same as in the wind pressure, in Shanghai, the Royal brand plastic doors and windows have been used in 40 multi-storey residential upstairs, fully able to meet the requirements of anti-typhoon.
Second, durability aspects
Foreign research data indicate that high-grade steel doors and windows for use in Europe for more than thirty years, the Royal plastic profiles according to European standards, testing 6000 hours accelerated aging test performance meet and far exceed the latest European EN12608-2002's request, the profile in the second to none, no controversy. Aluminum alloy doors and windows on the durability of their own is good, but because gong nails, rail materials, non-aluminum metal, proven electrolytic corrosion will occur, many of the old aluminum sliding doors and windows is not flexible and is this cause.
Third, tightness in
Because high-grade plastic door and window sizes and high precision machining, box fan lap at its sleek design and seamless welded corners, such as the Royal brand of hard and soft co-extruded PVC door and window technology, together with adhesive tape and the forms produced, there is nosecurity shutter gap and simplify the assembly process, the entire window of the gas-tight and dust is very good. High-end plastic-steel doors and windows have independent scientific drainage system, equipped with a wind cover to prevent rainwater intrusion. As commonly used aluminum alloy doors and windows interludes rubber strip, due to contraction caused by rubber strips from the fan-angle occurring at the seam, the sealing performance.
4, anti-seepage water in
High-grade steel doors and windows of the waterproof performance is better than aluminum doors and windows. Plastic door and window frame itself is welded, there is no water seepage problems in their own windows. Installation also use a variety of waterproof materials, such as: polyurethane foam sealant,security shutter chamber embedded in a neutral lateral concave seam sealant, neutral silicone sealant inside the perfusion. The aluminum alloy doors and windows plug a single slit using cement mortar installation, frame no other water craft, the window frame itself is riveting, there are gaps, easy water seepage. Aluminum interior drainage holes directly with the contact does not prevent rain intrusion.
5, the surface colors
Aluminum alloy surface treatment: anodizing, coloring; Electrophoresis coating; powder coating; fluorine carbon spray.
Plastic profiles can also be colorful. In addition to using spray technology (optional fluorocarbon coatings and DuPont Coatings), ASA, PMMA co-extruded surface, but also imitation wood grain film paste, the effect, such as wood surface treatment in general, and other new technology in the processing of PVC profiles have been widely used.
6, thermal insulation in
Plastic profile aluminum alloy thermal conductivity coefficient is 1 / 1250, steel, 1 / 357, the same two rooms, installed steel doors and windows of the room, in the winter than in the high-mounted aluminum about 5 ℃, 5 ℃ in the summer and a low around energy-saving effect is very obvious.
7, noise in
PVC door and window profiles are mostly due to three-cavity design, or even four-chamber, 5 chamber, plastic doors and windows, noise performance of 35 dB or more, which is far from being only a single cavity of the aluminum alloy can be compared.
8, mine area
Plastic profiles is an insulator, the type cavity steel liner are not connected can not form the loop, so no need to ground lightning protection measures. Aluminum is a good security shutter conductor, in high-rise security shutter buildings must have a lightning protection grounding measures, thereby increasing the cost.
9, the economy in terms of
High-grade steel doors and windows into a one-time great, but the follow-up energy saving, less complications; aluminum doors and windows low price point, but after the renewals of electricity, water seepage or other consequences of problems. Therefore, the long run a good economy or plastic doors and windows.
10, the state policy
Aluminum alloy is a high energy-consuming industries, countries have been not to encourage development, more than PVC sources, of which production of calcium carbide,security shutter electric quarry in China has rich resources, the use of plastic instead of metal is the direction of social development, as our people are To share care for the state problem solving, positive response to the state's call for greater use of high-end plastic-steel windows and doors with good effects. The savings will be used in aluminum alloy more suitable security shutter for its use of places, such as aerospace aircraft, vehicles.
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