Unverified86% confidenceCautionTime unknown
常见9mm或12mm聚酯纤维背景墙板NRC通常仅0.15-0.3，属于装饰材料，用于治理实际噪声或混响是无效投入
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86%
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Long-term
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Unverified常见聚酯纤维吸音板（聚酯纤维棉板）NRC约0.4-0.6，主要吸中高频；对付低频轰鸣（如楼上脚步、低音炮）需要密度高的隔音毡+石膏板复合墙体，单纯贴板几乎无效81% similarUnverified9mm聚酯纤维吸音板隔声量仅约3-5dB，几乎起不到隔墙作用，只有吸音降混响功能；要实质隔声需选用12kg/㎡以上隔音毡或双层石膏板结构，厚度往往需5cm以上77% similarUnverified聚酯纤维吸音板NRC值随厚度递增：9mm厚NRC约0.35-0.45，仅适合装饰点缀；录音室/直播间需选25-50mm厚或做50-100mm空腔背衬，NRC可达0.85以上76% similarUnverified常见9mm聚酯纤维吸音板单块规格约30×30cm或60×60cm，密度多在2000-3000g/m²，密度越高吸音和阻燃性能越好76% similarUnverified聚酯纤维吸音板(木质纹理/凹凸造型)典型参数：厚度9mm，NRC约0.55，防火B1级，甲醛E0/E1级，密度约2400g/㎡，可免钉粘贴或卡扣安装74% similar
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