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Pwodwi Entwodui: koyefisyan son absorption fibre polyester fibre tablo a ak son frekans Li nan koyefisyan son absòbe ka rive 0.8-1.1, se yon son deadening materyèl nan pèfòmans segondè. Avèk karakteristik nan son-absòbe, tèmik-posibilite, elastik, ... Plis
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Product Introduct: polyester fiber board's sound absorption coefficient increases with the sound frequency It's sound absorption coefficient can reach 0.8-1.1, is a sound deadening material of high performance. With features of sound-absorbing, thermal-insulating, elastic,... Read More