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How about the sound absorption effect of MDF?
2022-08-29
The smaller the density of the MDF, the better the sound absorption effect. MDF with the same density, the thicker the thickness, the better the sound absorption effect. MDF with a large thickness has better absorption of low-frequency sound waves, but when the sound wave frequency exceeds 4 000 Hz, the effect of increasing the thickness is not large.
After the perforated soft MDF, the sound absorption effect is more obvious, and it has a good absorption capacity for high and low frequency sound waves. Unperforated soft MDF is easy to absorb medium and high frequency sound waves. Hard MDF has a better absorption effect on high frequency sound waves.
The sound-absorbing performance of MDF is related to the density of MDF. In particular, soft MDF is a porous and light material with good sound-absorbing effect. When the sound is projected on the material, most of the sound is weakened and disappeared due to the three effects of reflection, transmission and absorption. Therefore, the application of MDF materials in building decoration can reduce indoor noise and hybrid echoes.
The density, thickness and processing method of MDF, as well as the frequency of sound waves, all affect its absorption effect on sound.
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