The difference between sound insulation board and sound absorbing cotton

With the wide use of sound insulation board and sound absorption cotton, more and more people suddenly realized a problem, the difference between sound insulation board and sound absorption cotton, how to use in different scenes?

The difference between sound insulation board and sound absorbing cotton on sound processing.

Sound insulation board and sound absorbing cotton are the attenuation and absorption of sound, sound insulation board texture is hard, the sound insulation method is blocking sound insulation, sound insulation board can reach 30 decibels effect, sound insulation board is generally used in recording rooms, cinemas, families and other wall decoration, beautiful appearance, sound insulation board has a disadvantage, because the sound insulation board is close to the wall, the object will have a fixed resonance frequency, Therefore, when there is a sound that is close to the resonance frequency of the object, the effect of the soundproof board will be reduced.

Sound-absorbing cotton is the sound inhalation, the use of the gap inside the sound digestion in itself, so that the sound absorption effect of sound-absorbing cotton is better, some sound-absorbing cotton can reach about 20 decibels, and the application of sound-absorbing cotton is also more extensive, can be used in pipeline packaging, partition wall filling, car sound insulation filling and car hood sound insulation. In particular, the hood sound insulation can effectively block heat and engine sound transmission.

Sound insulation board and sound absorption cotton price difference

The price of sound insulation board is higher than the price of sound absorption cotton, because the process of sound insulation board is more complex, and the sound insulation board must be used in special places.

The difference between sound insulation board and sound absorbing cotton cutting

Sound insulation board and sound absorption cotton cutting method is basically the same, to distinguish between the use of manufacturers or personal use, manufacturers can generally use our equipment, in our service so many sound insulation manufacturers, the equipment will generally choose 1625 model, the workbench area of 1.6*2.5m, generally choose pneumatic knife or vibration knife.