How much dB volume does sound insulation usually block?
发布日期 : 2021-08-25 20:06:08
Sound insulation equipment can effectively isolate the noise volume of certain decibels, different sound insulation equipment because the function is not the same, can cut off the sound volume is also different. For instance the commonnest sound insulation cover, sound insulation screen, sound insulation door, sound insulation window, sound insulation earphone.
1, sound insulation cover is made of A series of sound insulation materials, generally according to the actual need to achieve the volume to choose sound insulation materials, the general volume in 20-50dB (A) or so, but also according to the specific needs to achieve A higher sound insulation volume.
2, sound insulation screen is generally used in the road traffic track, factory, residential area, covering the effective area of the average noise reduction in about 5-15dB (A).
3, sound insulation doors have different materials, wood structure sound insulation volume in 20-25DB (A) about, special structure sound insulation volume can reach 30-50DB (A).
4, sound insulation window is made of vacuum glass, sound insulation can take 30-38dB (A) above.
5, soundproof headphones and earplugs are the same, now the market soundproof headphones and earplugs can sound 20-30dB (A) or more.
