Characteristics of door and window hardware sealing strips
1. Good weather resistance. Aluminum alloy door and window sealing strips have good weather resistance, and even if exposed to sunlight for three years, they will not crack. The physical and mechanical properties change very little. Due to the different raw materials used in the processing, there will be a certain difference in their own weather resistance level, which will result in a significant disparity when used. Therefore, when comparing, the weather resistance level needs to be improved in order to be more durable in use. The longer the service life, the less cracking will occur, so there will be no leakage.
2. Aging resistance performance. Aluminum alloy door and window sealing strips have good stability and better aging resistance compared to general rubber. When processing door and window hardware sealing strips, it is necessary to be more rigorous in every process to ensure better durability. The raw materials for universal rubber are also divided into many grades, so when selecting, more consideration should be given to finding the one with better aging resistance, which will bring better quality of use.
3. Temperature resistance performance. The high operating temperature of aluminum alloy door and window sealing strips is 150 ℃, with good temperature resistance performance. The door and window hardware sealing strips should be able to withstand high temperatures or extremely cold temperatures according to technical standards, as the aging phenomenon caused by high temperatures can be significant. If its temperature resistance is very good, it will not experience rapid aging during use, and the service life will be longer. So, when comparing, we need to consider more.
4. Insulation properties. Aluminum alloy door and window sealing strips have good insulation properties, ranging from 1015-1018 Ω cm, and high breakdown voltage and dielectric constant, making them very suitable for manufacturing electrical insulation products. The installation of door and window hardware sealing strips may result in some electric shock or voltage interference depending on the location. To ensure stability, the insulation effect in this regard is very good. So, these phenomena will not be encountered during use.
5. The processing technology of door and window hardware sealing strips is becoming increasingly mature, and there are strict requirements for each technical process to ensure that they are not easily damaged when used in special environments. Impact elasticity and low-temperature performance. Aluminum alloy door and window sealing strips can maintain good elasticity and small compression deformation at low temperatures, with a low limit humidity of -50 ℃ and excellent low-temperature performance.
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