China Aluminum: As the times progress, more and more people are paying attention to their quality of life, and the comfort of their living environment has become a key concern. In recent years, aluminum alloy doors and windows have gained popularity among consumers, and you can now see them everywhere in China. Today, we’ll share six important factors to consider when choosing aluminum alloy doors and windows.
1. Thickness: There are different series of aluminum alloy sliding doors, such as 70 series and 90 series. For indoor sliding doors, the 70 series is commonly used. The series number refers to the thickness of the frame in millimeters. For sliding windows, there are 55, 60, 70, and 90 series available. The choice of series should depend on the size of the window opening and the local wind pressure conditions. If you're installing sliding windows for a closed balcony, it's recommended to choose at least the 70 series.
2. Strength: The tensile strength should be at least 157 Newton per square meter, and the yield strength should reach 108 Newton per square millimeter. When purchasing, you can gently bend the profile with your hands and check if it returns to its original shape after releasing it. If it doesn't, it may indicate poor quality.
3. Color: The color of the aluminum profiles should be consistent throughout. If there’s a noticeable color difference, it might not be a good choice.
4. Flatness: Inspect the surface of the aluminum profiles. It should be smooth without any dents or bulges.
5. Gloss: Avoid buying aluminum doors and windows that have surface bubbles (white spots), ash (black spots), cracks, burrs, peeling, or other visible defects.
6. Oxidation Level: The oxide film thickness should be at least 10 microns. When purchasing, you can lightly rub the surface of the profile to check if the oxide layer can be easily wiped off. If it does, the product may not meet quality standards.
By considering these six key factors, you can make a more informed decision when selecting aluminum alloy doors and windows, ensuring both durability and aesthetics for your home.
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