Reasons for exposure and oxidation of industrial aluminum profile
profiles 1. The sealing materials used in industrial aluminum profiles are too poor, such as excessively hard rubber strips, short anti-aging time, expired use of sealant or counterfeit glue, poor resistance to displacement, and easy cracking, etc. . 2. The processing precision of industrial aluminum profile profiles does not meet the quality requirements, and the matching gap is too large. The parts that need to be bonded after assembly are not coated with sealing materials and assembled directly, causing exposure to easily penetrate into the aluminum profile and the main structure through various assembly gaps. . 3. When the industrial aluminum profile is installed on site, the assembly size is not well controlled, resulting in the mutual misalignment of the overlapped and sealed positions or insufficient overlap size, or there is a gap due to sufficient pressure, which is used to fix the fastening screw of the aluminum profile frame There is no sealant to seal, and the surface of the sealed part is not cleaned when the sealant is used for sealing. 4. The design of the industrial aluminum profile profile waterproof structure is unreasonable, the waterproof sealing level is not enough, and the drainage channel in the aluminum profile structure cavity is not formed. When exposed to the effect of the pressure difference between indoor and outdoor wind, it can easily enter the aluminum profile cavity and enter the room, while the exposure entering the aluminum profile cavity cannot be smoothly discharged outside through the aluminum profile drainage system and stay in the aluminum profile. Accumulate water and cause oxidation. 5. The structural strength and stiffness of the aluminum profile fail to meet the requirements of the wind pressure resistance performance of the location where the aluminum profile is used, causing the aluminum profile to be stressed members, hardware accessories, seals and bonding materials to produce serious under normal wind loads The plastic deformation, tearing or damage of the aluminum profile causes the aluminum profile body to fail to seal and cause exposure and oxidation. The reason is that the product failed to correctly calculate and design the strength according to the specification, and failed to pass the physical performance test of wind pressure resistance before production and installation. ————The article comes from the Internet. If there is any infringement, please contact to delete it.
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