[China Aluminum Network] When it comes to structural strength, broken bridge aluminum alloy significantly outperforms plastic steel windows in resisting wind pressure. In most cases, steel reinforcement is not even required. This type of aluminum alloy has been successfully used in 40-story residential buildings without any issues, making it ideal for areas prone to typhoons. On the other hand, plastic doors and windows are not as strong or durable. Although high-rise plastic windows are now available, they tend to develop air leaks over time and may become unstable under strong winds.
According to foreign research data, broken bridge aluminum alloy has been widely used in Europe for over 30 years. Wen Zhixin plastic profiles, for example, have undergone accelerated aging tests according to European standards for 6,000 hours, and their performance not only met but far exceeded the requirements of the newer EN12608-2002 standard. There is no controversy regarding their quality. While aluminum itself is highly durable, the use of non-aluminum metal components such as dowels and rails can lead to electrolytic corrosion. This is a common issue with older aluminum windows, which often lose flexibility over time due to this problem.
In summary, broken bridge aluminum windows offer excellent thermal and sound insulation, high strength, good airtightness, water resistance, strong anti-theft properties, and a long service life. They are a reliable choice for both residential and commercial applications. Plastic steel windows, on the other hand, are more economical and easier to color, but they lack strength, have poor sealing performance, lower fire resistance, and are more prone to aging over time. For those looking for long-term durability and performance, broken bridge aluminum remains the superior option.
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