A variety of porous sound-absorbing materials play an important role in different fields. Acoustic foam is widely used in construction and automobile manufacturing for its light weight and sound-absorbing effect, effectively isolating external noise. Glass fiber plays an important role in the field of industrial equipment because of its high temperature resistance and corrosion resistance, effectively controlling machine noise. In addition, melamine foam is widely used in audio rooms and entertainment places, which has good sound absorption effect and ensures audio quality. When actually selecting materials, various factors need to be considered comprehensively according to acoustic requirements and environmental requirements.
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