[Importance] Aluminum doors and windows are all in their own duties, each doing its part
As the first barrier to the isolation of the home environment, doors and windows have become an indispensable part of home decoration. In recent years, due to its excellent characteristics, aluminum alloy doors and windows have gradually become an industry that cannot be underestimated in the development of the door and window market. It is reported that aluminum alloy doors and windows have been introduced to China in the late 1970s. Since the development of aluminum alloy doors and windows, the quality of aluminum alloy doors and windows has been continuously improved, and the product structure has been continuously adjusted and optimized. While a large number of foreign advanced technologies have been introduced, many aluminum door and window enterprises have also It has won many national invention patents and various honorary certificates, and its products are favored by franchisees and consumers. Looking at the fruitful results of aluminum door and window companies, they are inseparable from the important components of aluminum doors and windows - suppliers of materials, such as profiles, glass, hardware, sealants, processing equipment, etc., seemingly Unrelated related companies are closely linked to the quality of the doors and windows. So, what role do these materials play in the doors and windows?
The basic structure of the aluminum doors and windows is quite complicated, except for the external structures that can be seen by the naked eye, namely profiles, glass, strips, hardware, surface treatments, etc., as well as complex structures hidden inside, including the inside of the profiles. Construction, insulation strips, sealants, molecular sieves, etc. Each part and every link plays a key role in the performance of the doors and windows. The importance of the materials in the doors and windows will be analyzed in detail below.
First, the profile - wind pressure
In the market, aluminum door and window profiles are often used with wall thicknesses of 1.4mm-2.0mm. According to national standards, the thickness of building door and window profiles should be greater than or equal to 1.4mm. Therefore, the thickness of these commonly used profiles has reached the national standard. The thickness of the profile is high and the internal structure determines whether the wind and pressure resistance of the door and window is excellent: the higher the thickness, the thicker the profile, the stronger the door and window as a whole, the stronger the wind pressure resistance, and the better the resistance to typhoon in the typhoon days. Invasion; similarly, the lower the thickness, the thinner the profile, and the wind pressure resistance is not as good as the profile with high thickness.
In addition, the cavity structure inside the profile is also closely related to the wind pressure resistance. If it is only a common single cavity, even if the thickness of the profile is higher, it is not easy to resist the wind of strong typhoon; and the multi-cavity structure is very complicated. It has a strong practicality, which can disperse the wind into several forces, and each profile structure can effectively block the wind, thereby greatly reducing the wind and reducing the wind pressure.
Second, insulation strip - thermal insulation
Today's aluminum alloy doors and windows broken bridge profile design, the use of thermal insulation strips in the aluminum alloy profiles to form thermal breaks, insulation strips generally use plastic profile cavity as a heat-breaking material. The design of the broken bridge takes into account the advantages of both plastic and aluminum alloy materials, separates the water vapor chamber of the door and window, and successfully achieves equal pressure balance, which significantly improves the watertightness and airtightness of the doors and windows. At the same time, it effectively solves the problem of fast heat conduction of aluminum alloy, blocks the introduction of outdoor heat in summer, maintains the comfortable temperature in winter, and “cools in winter and cool in summer†to reduce the energy consumption of air conditioners and achieve the effect of green energy saving.
Third, the sealing strip - sealed
Sealing strips are especially important for the sealing performance of doors and windows. They also affect the sound insulation, air tightness and water tightness of doors and windows. Nowadays, EPDM rubber is generally used to make sealing strips, and some enterprises use foaming. Glue, both of which have their own advantages, but also enhance the overall sealing, airtight and watertight performance of doors and windows.
Fourth, glass - safety, sound insulation
As the largest component of the door and window, glass, lighting, energy saving, safety and other functions have become the requirements of modern people for home improvement. The material and thickness of the glass, whether the glass is double-layered, and the size of the hollow spacing determine the performance of the doors and windows, which are highly valued - safety and sound insulation. So what is the connection between safety and sound insulation and the use of glass?
First, for safety, double-layer tempered glass is commonly used on the market. The impact resistance of tempered glass is 5-10 times that of ordinary glass, and its bending resistance is 3-5 times that of ordinary glass; even glass The rupture of the smash is only a small obtuse-angle granule and will not scatter on the ground, thus avoiding harm to the user. Therefore, tempered glass greatly improves the impact resistance, rigidity and safety of the glass. In addition, most of the glass of doors and windows can be processed according to the requirements of sanding, coating, LOW-E, etc., so that it has more functionality.
Secondly, in terms of sound insulation, the hollow spacing of glass in the industry is mostly 12mm. Generally speaking, the larger the hollow spacing, the more obvious the sound insulation effect. The high quality sound insulation effect makes the doors and windows effectively block the noisy outside and keep Quiet environment in the interior.
Five, hardware - durable
Hardware is called the "heart" of doors and windows. A door and window are not easy to use. It is durable and depends on the quality of hardware. Hardware is the key to determining the service life of doors and windows. Nowadays, many hardware accessories for door and window enterprises use foreign imported brands such as Germany Haobo, Gewu, Seglia, Noto, etc. These brands have a long history of origin, and have gone through a hundred years of accumulation, and the quality is self-evident. In China, many high-quality hardware companies have emerged, and the quality and technology have been continuously improved. They have also been recognized by many industries and consumers.
Sixth, surface treatment - beautiful
After the surface of the aluminum material is treated by mechanical and chemical methods, a protective layer for protecting the body is formed on the surface of the product, which reaches a stable state in the natural world, thereby increasing the corrosion resistance of the body and improving the aesthetics of the product. The surface of the aluminum alloy profile is processed by electrophoretic coating, wood grain transfer, fluorocarbon coating, etc., so that the aluminum constipation has various fashionable and realistic appearance effects. For example, the wood grain transfer process makes the surface of the profile form a realistic wood grain effect, softens the icy feeling of the metal profile, and adds a warmer and more natural visual experience; the fluorocarbon process provides the surface of the profile with anti-fading and oxidation resistance. Excellent performance such as light fastness and weather resistance, it can easily cope with wind, sun and rain, and enhance its durability.
[Status quo] The profit growth of different categories in 2016 is obvious
According to the “2016-2017 Door and Window Curtain Wall Industry Annual Report†released by China Curtain Wall Network, the operating profit of aluminum door and window curtain wall industry in 2016 decreased by 24% compared with 2015. In particular, the profit decline of the three industries, such as curtain wall products, architectural glass, door and window hardware, was the most obvious, down 60%, 40% and 30% respectively. The profits of the profile, construction adhesives and insulation strips and materials industries have increased, with the aluminum profile industry having a higher profit margin of 36%.
From the above data, it is not difficult to see that the profit of different categories of aluminum door and window materials is obviously rising, and the aluminum door and window industry is closely related to the national real estate policy. In 2016, as the country reduced the investment in real estate, the door and window industry suffered a lot of downward pressure. This will undoubtedly have a certain impact on the suppliers. In addition, foreign companies have entered the domestic market one after another, which has intensified the domestic market competition. Many domestic door and window big-name enterprises are actively demanding cooperation with foreign material suppliers, especially hardware accessories, Germany Haobo, Noto, Siglia, Gee Houses and other brands have even become the standard hardware for high-end doors and windows, which undoubtedly caused a lot of impact on domestic hardware suppliers, resulting in a decline in profits.
[Trends] Environmental protection and energy saving become the trend of the times
This year's more stringent "environmental supervision" has hit again, shutting down a large number of doors, windows and accessories companies that do not strictly comply with environmental regulations. These enterprises generally lack environmental awareness and have serious environmental consequences in order to benefit the environment. “Clearing†a group of enterprises that do not comply with environmental protection regulations, and vigorously put enterprises that attach importance to environmental protection and green production to the market. This move illustrates the country's determination to vigorously rectify the industry and advocate green production. It will promote the company's emphasis on environmental protection and promote the green and healthy development of the industry. It is also in line with the implementation of the “supply side and de-capacity†policies of the country at this stage, and promotes the industry. Long-term, stable, and scientific development.
Under the vigorous promotion of environmental protection by the state and the improvement of consumers' requirements for living environment, green consumption, environmental protection and energy conservation have gradually become the dominant concept of consumption in the door and window industry. As an important upstream supplier of aluminum doors and windows, the timber companies also need to comply with the concept of green, environmental protection and energy conservation, and implement them. Environmental protection development is an inevitable path. In the future, the competitive pressures of the industry will be greater, and resource consumption will be more. The path of low carbon and environmental protection is not only the responsibility of enterprises, but also the development of enterprises. For the materials companies, environmental protection should not only consider the production process of the products, but also need to consider the connection with doors and windows and the ecological environment, and improve the appearance and performance of the materials in a targeted manner to create environmentally friendly products in an all-round way. To reduce environmental pollution and promote the sustainable development of enterprises.
Conclusion:
If the door and window are likened to one person, the material is equivalent to its facial features, limbs, skin, etc. They determine the appearance, flexibility, length of life, etc. of this person. One person loses one part, and life may be affected. The same is true for doors and windows. No part of the spare parts can be released without any performance. Only by combining them can the best performance of doors and windows be realized. The importance of the materials for doors and windows is natural. it goes without saying. However, due to the late origin of domestic timber companies, foreign timber companies have already precipitated for centuries and have obvious advantages. But what are the differences between domestic timber companies and foreign timber companies? The second part of this issue, Continue to drill down for you.
(Source: Home Hotline)
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