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Characteristics of Broken Bridge Aluminum Doors and Windows
The [China Aluminum Network] explains that the principle of the broken bridge aluminum-plastic composite window involves using a plastic profile—over 1,250 times more insulating than aluminum—to separate the indoor and outdoor aluminum layers, connecting them securely to form a new heat-insulating aluminum profile. This type of profile is used for doors and windows, offering insulation performance comparable to that of plastic (or steel) windows, meeting national standards. It effectively addresses the issue of rapid heat conduction in traditional aluminum alloys, which often fails to meet energy-saving requirements. Additionally, it solves long-standing problems like poor sealing in aluminum sliding windows.
This product combines aluminum on both sides with a plastic profile cavity in the middle as the insulating material. The innovative design integrates the advantages of both materials, satisfying various needs such as aesthetics, strength, and durability. The super-bridge aluminum-plastic profile enables a three-seal structure, effectively separating water vapor cavities and achieving equal pressure between air and water, significantly improving the waterproofing and airtightness of the windows. Its airtightness surpasses that of any standard aluminum or plastic window, ensuring no dust accumulates on the indoor sill or floor during sandstorms. It also protects residents within 50 meters of a highway from noise, with performance close to that of high-end windows.
The wall thickness of the broken bridge aluminum profiles strictly adheres to national standards, requiring a minimum of 1.4mm. Thin walls can compromise the structural integrity and assembly quality of the doors and windows. In contrast, common color aluminum doors and windows typically have less strict thickness requirements, often around 1.0mm, depending on market demands and cost considerations.
In terms of assembly, broken bridge aluminum windows are cut at a 45-degree angle through walls of 1.4mm or thicker, and assembled using special 3mm plug-ins via professional equipment. Ordinary aluminum windows, on the other hand, use 1mm angle aluminum rivets, resulting in weaker structural stability but lower costs. The assembly process for broken bridge windows is highly technical, involving specialized machinery rather than manual on-site work, making it far superior to regular aluminum profiles.
Broken bridge color aluminum doors and windows require professional production by the manufacturer, including precise surface color processing. These products are designed for long-term use, with advanced coating technology that ensures durability and aesthetic appeal. In contrast, ordinary color aluminum windows are often just painted with basic colors without proper technical treatment, leading to issues like fading over time, commonly referred to as "cowhide gland." As a result, broken bridge windows have a longer production cycle, while ordinary color aluminum windows are produced quickly but lack longevity.
Design-wise, broken bridge windows feature a more sophisticated and elegant look, with transparent lighting tailored to different spaces. They use specialized flat window hardware, while ordinary aluminum windows rely on generic hardware, resulting in a less refined appearance.
Finally, broken bridge windows must use double-glazed glass—5mm + 9A + 5mm, with tempered glass on both sides—ensuring excellent sound insulation. Ordinary color aluminum windows typically use single-pane glass, which offers inferior soundproofing performance.