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Noise reduction coefficient - Wikipedia
WebDec 2, 2024 · NRC is a measurement that indicates the level of noise absorption a material provides. The NRC rating is the average amount of sound absorbed by a product when measured at four frequencies (250Hz, 500Hz, 1000Hz and 2000Hz). The NRC rating is 0.00 to 1.00. The higher the number, the more sound absorbing capability the product has. WebOlympia™ Micro™ Acoustical Panels Panels offer high level light reflectance, mold and mildew resistance, ceiling attenuation and noise absorption, making them a perfect choice for classrooms, hotels, … electricity companies free nights
Rockfon Reveals Acoustic Ceilings
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