Aluminum-plastic co-extruded doors and windows, as the name implies, are profiles and windows that are closely combined with aluminum lining and plastic. The profiles are made of aluminum lining with recycled aluminum, and the surface hard crust micro-foamed plastic with a thickness of about 4mm is compounded. On the surface of the aluminum lining, the effect of the inner metal lining and the outer plastic lining is achieved.
Therefore, the door and window integrate traditional metal doors and windows with plastic doors and windows, and is compatible with the high strength of metal doors and windows and the thermal insulation of plastic doors and windows. The appearance of aluminum-plastic co-extrusion doors and windows is a major change in the history of doors and windows. As a new generation of building energy-saving doors and windows, it will inevitably occupy a very important position.
Second, the characteristics of aluminum-plastic co-extruded profiles
1. The foamed PVC formula is used to replace the current ordinary rigid PVC formula, which further improves the insulation and sound insulation effect of the plastic part;
2. Using the crust foaming technology to ensure the surface hardness of the profile;
3. Spray surface with fluorocarbon paint, the appearance is comfortable and elegant, and improve the quality grade of doors and windows;
4. Adopting a new technology of plastic and metal coextrusion compounding technology to realize the integration of plastics and metals;
5. It has the advantages of insulation, sound insulation and energy saving of ordinary plastic doors and windows;
6. Due to the co-extrusion technology and the use of metal joints at the corners to form a closed loop, the force on the sash members is greatly improved, thereby solving the overall (including corner) wind pressure resistance performance;
7. The window is not easy to be deformed, twisted and drooped, which improves and ensures the airtightness, watertightness and opening of the window.
8. It is easy to design the bright and comfortable large window type that modern people pursue;
9. The use of fluorocarbon paint to spray the surface makes it possible to beautify the city and integrate it with modern home decoration;
10. The assembly process is simple, the operation is easy, the popularization and promotion becomes more convenient, and the on-site production becomes feasible;
11. Make building lightning protection easy and feasible, and facilitate high-rise building fire protection.
Third, the advantages of aluminum-plastic co-extrusion window
1. Aluminum-plastic co-extrusion compound has good thermal insulation. The micro-foamed hard crust profile is softly combined with aluminum lining, and the frame is sealed with EPDM rubber strip. It is tightly closed, airtight and watertight, and has excellent thermal insulation performance. The sash adopts hollow glass structure to make the window display. Sound insulation, heat insulation, heat preservation, excellent function, a large number of savings in mining and cooling costs, the heat transfer coefficient K value has been tested below 1.5-2.6, energy saving effect is significant, several years of energy saving costs are enough to make up for the previous investment.
2. Aluminum-plastic co-extrusion waterproof function. The structure of the drainage system is designed by the principle of pressure balance, and the drainage port is provided, the drainage is smooth, and the watertightness is good.
3. Aluminum-plastic co-extruded to prevent condensation and frosting. The aluminum-plastic co-extrusion profile can realize the three-way sealing structure of the door and window, reasonably separate the water vapor chamber, successfully realize the pressure equalization of gas and water, significantly improve the watertightness and airtightness of the door and window, and achieve the net bright effect of the window.
4. Aluminum-plastic co-extruded anti-mosquito screen design. Invisible screens, can be installed and used inside and outside, with anti-mosquito, flies, especially suitable for many mosquitoes in the north, but also can choose anti-theft diamond screens, with anti-theft function.
5. Aluminum-plastic co-extrusion anti-theft, anti-loose device. Equipped with a unique multi-point hardware lock to ensure the stability and safety of the window in use.
6. Aluminum-plastic co-extrusion noise-proof and soundproofing is especially good. The micro-foamed structure has been carefully designed and the joints are tight. The test results show that the sound insulation of the air reaches 30-45db, which can ensure that the residents within 30 meters on both sides of the expressway are free from noise interference. The adjacent downtown can also ensure the tranquility and warmth of the interior.
7. Aluminum-plastic co-extruded fire-resistant energy-saving function. After testing, it has passed the fire test for 0.5h.
8. Aluminum-plastic co-extruded against sand and wind pressure. The inner frame is made of dovetail groove design, strong resistance to wind pressure deformation and good anti-vibration effect. It can be used in high-rise buildings and residential buildings. It can design large-area window type with large lighting area; this window is more airtight than any aluminum. The plastic windows are good, and the indoor window sill and floor of the area with large wind and sand can be guaranteed to be free of dust.
9. Aluminum-plastic co-extrusion strength is high and constant, maintenance-free. Aluminum-plastic co-extruded doors and windows have high tensile and shear strength and resistance to thermal deformation. The durable aluminum-plastic co-extruded profiles are not corroded by sea salt, and are not easily yellowed and faded, requiring little maintenance.
10. Aluminum-plastic co-extruded profiles are multi-colored and highly decorative. It can reach different colors of indoor and outdoor surfaces of doors and windows, satisfy customers' preference for color effect, aesthetic requirements of color space, and meet the individual design requirements of architects. The aluminum-plastic co-extrusion profile is streamlined and luxuriously styled.
11. Aluminum-plastic co-extrusion profiles are green building materials, recycling economy. Aluminum-plastic co-extruded doors and windows will not only produce harmful materials in the production process, all materials can be recycled and reused, and are green building materials and environmental protection products, in line with human sustainable development, in line with the 13th Five-Year Development Strategy.
12. Aluminum-plastic co-extrusion opens in many forms, comfortable and durable. There are swing type, inward tilt type, overhang type, push-pull type, swing type and inward tilt and compound type, etc., suitable for public buildings, residential quarters and municipal works; high-quality hardware accessories are durable, user-friendly design of operating handle, beautiful and comfortable, easy to open Flexible, each use action has been tested, the number of fatigue tests is more than tens of thousands of times, the sliding is easy and free, the sound is mature, the door and window processing technology is mature and perfect, and the high-precision program control machining center is used for production, and the quality is stable and guaranteed.
Fourth, aluminum-plastic coextrusion material characteristics
1. Aluminum-plastic co-extrusion doors and windows are the most advanced aluminum-plastic composite doors and windows. It is the fifth generation of new insulation and energy-saving doors and windows after wooden windows, iron windows, plastic steel doors and windows and ordinary colored aluminum alloy doors and windows. Its surface can be painted, coextruded, and pressed into a variety of colors.
2. The composition of aluminum-plastic co-extruded doors and windows is environmentally friendly combined with wooden windows, the solid security of aluminum windows and steel windows, and the commonality of plastic steel doors and windows insulation and energy saving. Its structure is more complicated than ordinary aluminum doors and windows, and the cost is high. The ordinary color aluminum does not have the heat insulation function, and it does not keep warm and does not save energy. Some parts of the country have been included in the elimination products.
3. The profile wall thickness of aluminum-plastic co-extruded doors and windows strictly follows the national standards. Aluminum wall thickness requirements must be between 1-1.4mm, because the aluminum wall thickness is related to the assembly technology and the solid safety issues that make up the doors and windows. The wall thickness of the coextruded plastic layer is between 3.5 and 5 mm, and the wall thickness of ordinary plastic doors and windows is generally less than 2.0 mm.
4. Aluminum-plastic co-extruded doors and windows are set with a special corner code of 3mm or more, and the corners of the group are also welded for sealing. Ordinary plastic steel doors and windows are only welded by corner joints, and their security is poor, but the cost is low. The assembled aluminum-plastic co-extruded doors and windows are not problematic for adults to stand on the window sash.
The technical requirements of the assembled equipment and assembled by manual field operation are very different. The special aluminum-plastic co-extruded profiles are not the same grade as ordinary plastic profiles, which cannot be compared.
5. How to judge the pros and cons of aluminum-plastic co-extruded profiles
1. Profile wall thickness: Generally, it is used for home improvement products. Most of the door and window factories use products with high output rate, which are thinner products to reduce the cost. The national standard stipulates that the thickness of the aluminum lining of the profile should be greater than or equal to 1.0 mm, and the foamed plastic should be greater than 3.5 mm.
2. Profile structure: The aluminum-plastic co-extruded aluminum lining structure should adopt the dovetail groove structure.
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