Automobile sound insulation is a hot topic. The easiest comparison is between Japanese and German. We often say that German has good sound insulation effect and Japanese high-speed noise. So how can car noise be effectively solved? There is only one answer - noise reduction. Generally speaking, there are two kinds of materials used for noise reduction on the car, one is the sound insulation cotton, the other is the function of the shock plate. It is believed that everyone knows what it is for by listening to its name. It can stop the vibration of the car body.

In fact, our car is a large iron box. It's wrapped around the car, leaving only the middle cockpit. But the car's iron sheet is usually very thin, and the frame structure is only designed on the main contour line of the car body, so the iron sheet of this large iron shell is very soft, we can press it with our fingers, which proves that its rigidity is not enough. In this way, when there is a noise source outside, the car's shell is easy to vibrate with the noise source. As his vibration and sound will be transmitted to the car, a very serious noise pollution will form, affecting our driving experience. There are only two ways to deal with this problem. One is to stop the noise at the source, such as changing noise reduction tires. The other is to stop the noise from the transmission channels, such as using sound insulation cotton and shock plate. The shock plate installed on the car can effectively reduce the vibration of the car shell, so as to achieve the effect of noise reduction.

Generally, there are two kinds of automobile shock plate materials available on the market, namely asphalt and butyl rubber, which are also the main source of automobile odor. The harm of asphalt damping board is very great. Firstly, asphalt is a toxic substance, which can release toxic gases, such as formaldehyde, toluene, etc. these substances are harmful to human body, and belong to strong carcinogens.

Once fox had an accident because of the asphalt damping board. The butyl rubber vibration plate made by pcmape is a non-toxic, green and environment-friendly automobile damping plate. We can see it in many places. The cost and price of pcmape butyl rubber vibration plate is very high, so no manufacturer will use pure butyl rubber as the vibration plate, which can maintain good working stability in high temperature and ultra-low temperature resistance, and in the process of use Whether it will soften, especially in summer, will not make the car smell due to the temperature rise, while the asphalt based shock absorbers will produce an extremely unpleasant chemical smell due to the temperature rise in the car, which is very difficult to handle. At the same time, such shock absorbers will not only soften, but also melt and flow, so when pursuing the sound insulation effect of the car, they will also Pay attention to the selection of green pcmape damping plate.