1、Light weight and high strength: The aluminum alloy material adopts hollow thin-wall combined section, light weight and density is only one-third of the steel, and its cross section has high bending strength, and the finished door and window are durable and difficult. Deformation.
2、Sealability: Good sealing directly affects the use of doors and windows and energy consumption. Generally, the sealing property refers to four aspects of airtightness, watertightness, heat insulation and sound insulation.
3、Beautiful appearance: After the surface of the aluminum alloy is treated, it can be presented in a variety of different colors, which can be arbitrarily selected and oxidized and polished. The frame of the sash can be made larger, with a larger area of glass, so that the indoor light is sufficient, so that the home is more layered.
4、Good performance: long service life, aluminum alloy doors and windows are highly resistant to corrosion, and the oxide layer is not easy to fade, does not fall off, does not need to be painted, and is easy to maintain. The door and window control system has a long service life.
The following questions should be noted when selecting a supplier:
Look at the material: There are two tips for detecting whether the material meets national standards. First touch the border, panel and corner of the door by hand. It should be soft and delicate without scratching, and then stand on the side of the door to see if the paint on the door surface has irregularities and wave shapes.
Look at the accessories: the glass equipped with the process needs to have the national 3C certification, and the hardware is the key factor affecting the performance of the door and window. Pay attention to the flexibility when choosing. Then look at the stitching of the doors and windows, the glue and the assembly process is good.
Look at the door and window strips: an experiment can identify the quality of the strips, use a lighter to ignite the strips and then extinguish them. Pinch the burning part by hand. If there is a powdery proof, the strips are good. If there is a sticky feeling, it is unqualified. article.
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