What affects the sound absorption of an acoustical product?
There are many physical characteristics that will affect the sound absorption of a product. The primary factors are product thickness, density, and fiber diameter. How a product is installed can affect its absorptive properties. If the product is installed with an air space behind it, it will have higher sound absorption. If the product has a facing material, the sound absorption can decrease or increase at certain frequencies depending on the porosity of the facing material and the product thickness.
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