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Pubdate:2023-06-17
The library originates from the habit of keeping records, and the library is a special place provided for the use of readers in the tube. The library is a memory device, a diffusion device of knowledge, information and culture of the society. It is also an integral part of our daily life. In our free time, on the eve of exams, or when we realize that we need to study and improve, we usually choose the library as a clean place to study and improve, and the quiet atmosphere of the library can be twice as good for study and improvement. But the quiet atmosphere of the library not only requires the readers to maintain the amount of consciousness, the corresponding sound insulation or sound-absorbing materials are also indispensable. How to choose sound-absorbing and soundproof materials for libraries?
The common sound insulation cotton on the market is asbestos, is a denser fiber material, generally made of yellow coil, has the function of heat insulation and moisture resistance, long service life, cheap, but asbestos is harmful to the human body, asbestos fibers are absorbed by the body forever in the lungs, resulting in lung fibro-wa, heavy can cause cancer.
Nano sound-absorbing sponge noise reduction principle is to absorb and consume sound, its special three-hole structure, 99% of the opening rate so that he can efficiently absorb sound waves. The sound absorption coefficient of nano sponge is up to 0.95, most of the same type of products only 0.8. nano acoustic sponge is made of polyurethane foam, fire retardant, thermal insulation, sound absorption and noise reduction, easy processing, can be made according to the desired shape, internationally recognized as environmentally friendly sound-absorbing materials, tasteless and harmless, in the construction process will not produce dust, open fire will not produce open smoke and droplets. It does not produce dust during the construction process.
Envoy is a manufacturer specializing in nano sponge sound insulation materials, we can customize different specifications of sound-absorbing sponges according to different scenarios, welcome to consult and look forward to cooperating with you!
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