In today's society, the market of aluminum alloy doors and windows is growing. Now many buildings and decoration use aluminum alloy doors and windows, so learning to judge the quality of aluminum alloy materials has become a necessary skill for consumers. How to judge the merits and demerits of aluminum alloy doors and windows, Xiaobian makes a comparison of brand doors and windows to explain:
Attention in purchasing: 1. Identification of signs
Many aluminum alloy doors and windows are marked with product marks on the obvious parts of their aluminum alloy products, including: manufacturer name or trademark, two-dimensional code, product name, product model or mark, manufacturing date or number.
There should be obvious words and signs of "moistureproof", "handle with care" and "upward" on the packing case.
Purchase attention 2. Surface quality
1. The decorative surface of aluminum alloy doors and windows will not have obvious damage, and the protective film on the surface will not have scratch marks.
2. There will be no obvious color difference on the coloring surface of adjacent components on aluminum alloy doors and windows.
3. There will be no aluminum chips, burrs, oil spots or other stains on the surface of aluminum alloy doors and windows, and there will be no adhesive overflow at the assembly joint.
Purchase attention 3. Size deviation
The dimension deviation of aluminum alloy door and window frame is far less than the national standard.
Four, aluminum alloy door and window components
Aluminum alloy door and window components are firmly connected, and the connection parts are sealed and waterproof with corrosion-resistant filling materials.
Five, look at the material
Aluminum alloy doors and windows in the material materials are mainly in the following 6 points.
From the thickness, strength, color, flatness, gloss, oxidation from these aspects. (the pictures in this article are from the Internet)