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Cars are noisy. Can sealing strips or styrofoam improve the sound insulation effect?
Release time:
2021/08/26
【Summary】 The cheapest ways to deal with car sound insulation include:
The cheapest ways to deal with car sound insulation include:
Adding sealing strips and
hitting styrofoam. It
cannot be denied that these two methods have good results. However, styrofoam cannot be used indiscriminately, and sealing strips are not useful for all vehicles.
In the "rubber parts" of automobiles, the function of the sealing strip is first to "stop shock". Reducing vibration reduces the air vibration caused by the resonance of the body parts, and the air vibration will cause sound waves (noise). But the sealing strip of the original car is sufficient to control vibration, no matter whether the door and the body or the hood and the engine compartment are in direct contact, the lock and the sealing strip will ensure the rationality of the gap.
Problem: The sealing strip is often synthetic rubber with a relatively low standard. In the high-frequency extrusion of the door and the car body, this mechanical force will accelerate the aging of the sealing strip; the initial sealing strip may reduce the airflow to reduce the noise, but with As the hardness increases, it will crack, and the squeezing during driving will produce more abnormal noises.
Therefore, it is not recommended to install the sealing strips on the whole vehicle. The so-called "size D strips" fill up the gaps in the whole car. After a few years of use, you may regret it. I think this is a joke, there are really some obvious air leaks in the front. For these cars, a sealing strip can be added to the gap in front of the door, and there will be a better driving experience without the abnormal noise of air collision.
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