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58问答库 > 聚酯纤维吸音板有几种规格呢

聚酯纤维吸音板有几种规格呢

2025-03-16 00:19:28

推荐回答（1个）

回答（1）：

频率F，单位Hz 125 250 500 1000 2000 4000
吸音系数as 0.16 0.44 0.80 0.99 0.99 0.99
　 NRC=0.72（后腔50）
环保 ■符合国家E1级标准
板面尺寸 ■2420*1220*9mm
厚度/重量 ■9mm（约2 KG/㎡ )

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