Which is better for car sound insulation cotton?

Automobile noise is often the main factor that affects the ride comfort and the driver's driving concentration, so many friends try their best to reduce the noise. However, Bian Xiao saw on the Internet that someone recommended this accessory-soundproof cotton, saying that it can effectively filter out the noise of cars. Is that really the case? Is the car sound insulation cotton useful? What kind of car sound insulation cotton is good? Let's answer it for you today.

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In fact, the sound insulation effect of adding sound insulation cotton to a car is very small, because the sound insulation ability of a car is a big systematic project, and it is certainly not much use to rely on a sound insulation cotton alone. Of course, if you really feel that the noise is very obvious, it is also a good way to install car-mounted sound insulation cotton. However, it must be installed in a professional auto repair shop, because a large number of parts need to be removed in this process (engine accessories, wires and pipes need to be removed for the engine compartment firewall, and the entire door trim needs to be removed for the door sound insulation). Once any step goes wrong, it may have different degrees of impact.

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What kind of car sound insulation cotton is good?

There are four kinds of sound insulation materials in the market, namely, sound-absorbing cotton (PET, PP), damping sheet, aluminum foil composite and butyl rubber damping material. Among them, butyl rubber vibration and sound insulation cotton is the most widely used, mainly used for automobile body vibration reduction, which not only can play an effective sound insulation effect, but also has quite excellent heat insulation performance.