Aluminum alloy doors and windows are customized. When purchasing aluminum alloy doors and windows, people usually pay attention to the appearance of the products and the decorative patterns of the glass, and often despise the composite film on the surface of the aluminum alloy doors and windows. This composite film is formed by the artificial oxide film. It has corrosion resistance, wear resistance, high gloss, and also has certain fireproof function. Therefore, when purchasing aluminum alloy door and window products, it is necessary to compare more similar products. In the glass process, it varies from person to person, and different owners choose according to their own preferences.
Good aluminum alloy door and window products, fine processing, smooth tangent, uniform angle (the main frame material is usually 45 degrees or 90 degrees), there should be no obvious gaps in the splicing process, good sealing performance, smooth switch . If the processing is unqualified, there will be problems with the sealing properties. Not only will the wind leak and the rain leak, but under the action of strong wind and large external force, the glass will explode and fall off, which will cause loss of property and even injury to the owner.