Unverified90% confidenceDecision RuleTime unknown
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
1
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90%
Confidence
Long-term
Relevance
-
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Unverified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83% similarUnverified薄型隔音毡（如3-5mm沥青/EVA基材）面密度约3-6kg/m²，隔声量约22-28dB，主要用于叠加复合墙体而非单独使用；聚酯纤维吸音板常见规格9mm厚、密度约180-300g/m²，NRC约0.15-0.35（依安装方式和背后空腔提升）82% 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81% similarUnverified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80% similarUnverified常见聚酯纤维吸音板规格为600×600mm、1200×600mm、2440×1220mm整板，厚度9mm/12mm为主流；异形拼装板（六边形、三角形）灵活性高但单价高、覆盖成本上升80% similar
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