Thick curtains and then arrived, but the noise insulation of cotton noise

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The purchase of the thickest curtains, but also arrived, but the noise of the invasion, but unfortunately, after several twists and turns, only to find a professional 1st-acoustics noise noise reduction company, this time be considered the peace of mind.
Ms. Lee to the home market to buy the thickest curtains, to see if they can play the effect, but, after a lapse of a week, still the case, according to Beaufort professionals, curtains
Although thick, but the pores themselves
Not much, the surface is not smooth enough, can not effectively absorb noise, can not be reflected back to the sound waves
To, therefore, its own sound insulation and sound absorption are very weak. 1st-acoustics soundproof cotton, his surface does not
Like other materials are smooth, and it is composed of numerous small fiber holes, make the sound swing in the cavity, the better adsorption noise.
?????? 1st-acoustics sound-absorbing cotton not only can effectively sound-absorbing, but also has the role of insulation,
Often used for home, entertainment venues, pump houses, recording studios, multi-function language lab and so on.
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Tags:absorb noise,  sound insulation materials,