材料吸声系数表.doc

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1、序号吸声材料名称材料英文说明材料中文说明在下列频率下的吸声系数（f:Hz）12525050010002000400080001CARPTINOTINDOOR-OUTDOORCARPET室内、外用地毯0.010.050.100.200.450.650.802CARPTLPADLATEXBACKINGON40OZHAIRFELT铺在40盎斯毛毡或发泡橡胶背涂不透水乳胶的厚地毯0.080.270.390.340.480.630.633DRAPEMEDDraperiesmedium0.5"厚的窗帘0.050.070.130.220.320.350.394

2、DRAPETHINDraperiesthin2"厚的窗帘（声覆盖）0.040.050.110.180.300.350.385DRAPETHKDraperiesthick厚的织物或帏帐0.050.120.350.480.380.360.396PILLOWBAFLPILLOBAFFLE1"THKMOUNTEDHANGING幔帐，挂帘0.200.781.001.001.001.001.007PLATGLS141/4"PLATEGLASS1/4"镀膜玻璃0.180.060.040.030.020.020.028CIRRUSCIRRUSCEILINGMAT

3、ERIALARMSTONGArmstong浮云天花板材0.350.290.520.790.920.970.969CONCRETESConcretewallorfloor(Smooth)光滑的水泥墙或地板0.010.010.020.020.020.050.0610CONCRETERConcretewallorfloor(Rough)粗糙的水泥墙或地板0.020.030.030.030.040.070.0811MARBLEMARBLE大理石0.010.010.010.010.020.020.02