Unverified88% confidenceCautionTime unknown
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
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified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81% 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80% similarUnverifiedNRC值≥0.85的产品才算高效吸音，聚酯纤维板常见NRC在0.5-0.7，用于录音棚需选NRC≥0.9的加厚岩棉/玻璃棉产品80% 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80% 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78% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/356130API
curl https://kongchang.com/api/v1/knowledge/claims/356130MCP
get_claim(id=356130)