SGS检测STC & IIC隔音等级,隔声测试
关键字:
STC,IIC,ASTM,E90,E413,E492,E989,隔音等级,隔声,建筑物,隔音材料,声波,天花板,楼板,玻璃幕墙,撞击声,实验室测量
SGS可以提供材料的STC&IIC隔音测试（声学材料，隔音材料，装饰材料，地面材料...)
STC (sound transmission classification)声音传播分级
检测依据:
ASTM E90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements ASTME90
实验室测量建筑物隔离和构件空气中声传输损失的试验方法
评价依据:
ASTM E413 Classification for Rating Sound Insulation
ASTME413 隔音材料等级的分级 IIC(Impact Insulation Class)
撞击隔音等级
检测依据:
ASTM E492 Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine
ASTME492用打击器实验室测量冲击声波通过地板和天花板组合体传播的试验方法
评价依据:
ASTM E989 Standard Classification for Determination of Impact Insulation Class
ASTME989冲击隔音等级测定标准分级
