Everyone likes to buy more branded products, but in terms of the status quo, the brand's products must be carefully selected. At present, if you can choose the best car noise insulation cotton, then you do not need any We are troubled by things and there are many troubles in life. Because I recently planned to renovate my newly purchased house, I was doing my previous study. For the selection of material for the partition wall, it is determined whether the brick or plasterboard is used. Later, it was discovered that netizens mentioned the hazard of soundproofing cotton when the plasterboard was separated. So many consumers questioned: what are the hazards of soundproofing cotton, noise insulation cotton useful and other related issues. Don't worry, if you have this need, you may wish to follow me to understand the hazards of the sound insulation cotton and other related knowledge. Is noise insulation useful? The concept of sound-insulated cotton: sound produced by objects → sound waves transmitted in the air → cotton has a multi-fiber structure → reflections of sound waves passing through cotton, intermeshing, colliding, sound energy is converted into heat → sound intensity is weakened → sound disappears. Another function of the sound insulation wool is heat insulation, so it can reduce the heat transmitted from the engine operation to the surface of the hood, and the vehicle installed with the sound insulation cotton of the engine cover can hardly produce white fog in the rainy weather. Rainy days and winter, due to the large temperature difference between the outside temperature and the engine, together with the action of rain and other flushing on the hood, will accelerate the oxidation of the paint. Sound insulation cotton what brand is good 1.Dynamic car noise insulation cotton 2, Thunder car noise insulation cotton 3, strong car noise insulation cotton 4, GVP car noise insulation cotton 5, MST car noise insulation cotton 6, Bao Jing car noise insulation cotton 7, Jingya car noise insulation cotton 8, Del car Noise insulation cotton 9, K8 car noise insulation cotton 10, Weilang car noise insulation cotton Soundproof cotton price Many friends in the consulting soundproofing cotton, often the first sentence will ask how much money a flat ah? The quality of sound insulation cotton is divided into three six nine, the product material, bulk density, quite color, specifications, environmental protection, fire rating and many other factors are different , resulting in different prices of insulation cotton. Affect the noise cotton price factor Through the law of the value of goods we understand that: the value of goods is determined by the social labor time, and the value of the product determines the relationship between the supply and demand of the product price product and the price of the product; the price always fluctuates around the value. Therefore, product prices are related to production technology, work efficiency, composition of materials, weight tolerance, environmental protection functions, and fire rating. Precautions when buying sound-absorbing cotton The product is a fluffy material, has a large number of small and large holes connected inside and outside, and the texture is evenly distributed. It has a high aspect ratio, a soft touch, and a smooth surface. It is recommended to purchase non-flammable or flame-retardant fire-retardant materials to meet the fire-fighting standards; it has certain environmental protection functions. To protect people's physical and mental health. Soundproof cotton price Glass fiber insulation cotton is divided into two kinds of cotton roll and cotton board, the volume weight of the cotton roll is small, the price of Bofu is as low as a few dollars high, but ten yuan; cotton board The 90km density of 30km ore can be customized. The most commonly used is 35km, 40km, and the price is between 15 yuan and 20 yuan per square meter. Acrylic fiber insulation is relatively expensive, mainly due to the use of polyphenol fiber material, new environmental protection, soft touch and other advantages, specifications and fiberglass insulation cotton is roughly the same, the main difference is the use of more crowded places, the higher the price . Note: This price is for reference only! Due to geographical differences, of course, the price will be different. For more details on the prices, please refer to the local distributors! Noise hazards Because I recently planned to renovate my newly purchased house, I was doing my previous study. For the selection of material for the partition wall, it is determined whether the brick or plasterboard is used. Later, it was discovered that some netizens mentioned that the soundproof cotton used in the middle of the gypsum board interval was harmful, and they checked carefully. The result was terrified. Because the soundproof cotton is made of asbestos. This is also the sound insulation filling material that will be chosen for almost all general intervals! Asbestos is very harmful to the human body. Because its fibers are very fine, it is easy to inhale. The most direct cause is lung disease, calcification of the lungs and the like. And its impact is not exposed for a short period of time. It usually accumulates in a long-term process of 10 to 20 years. In fact, everyone does not know that asbestos is harmful, but there are always chances that everyone will do so and that they can do so. Ha ha. In the past two years, buying a house or decorating seems to be the peak period. After a decade or two, I am afraid that a large number of people will become relatively sick and even die. This may be more apparent among workers who often come into contact with such materials. The reason why I say this is not to spread unsteady remarks. Instead, it is necessary to make everyone aware of this fact. Japan also made extensive use of asbestos as a soundproof material in the partition. (As we all know, Japan has many wooden structures because of the earthquake, but in the past two years, there have been a large number of asbestos deaths. The government did not restrict the use of asbestos in building houses. Therefore, they began to reform and demolish the house. Perhaps because of social stability, this government behavior has not been carried out in a very high-profile manner. So ordinary people did not realize how much the asbestos was removed. When garbage was disposed of, it was not classified as "polluted material". As a result, a large number of workers have caused illness and died in the garbage disposal. Editor's summary: The above is the noise of the sound-damping cotton, what kind of precautionary information about the sound-absorbing cotton is introduced, and I hope to help friends who have this requirement! For more information, please continue to pay attention to our website, follow-up will show more exciting content. You can also purchase your favorite product on Qijia Mall! 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