STC和IIC隔音等級,隔聲測試關鍵字:STC,IIC,ASTM,E90,E413,E492,E989,隔音等級,隔聲,建筑物,隔音材料,聲波,天花,樓板,玻璃幕墻,撞擊聲,實驗室測量

　　提供材料的STC & IIC隔音測試(聲學材料，隔音材料，裝飾材料，地面材料...)STC (sound transmission classification)

　　聲音傳播分級檢測依據:

　　ASTM E90 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements

　　ASTME90實驗室測量建筑物隔離和構件空氣中聲傳輸損失的試驗方法評價依據:ASTM E413 Classification for Rating Sound Insulation

　　ASTME413隔音材料等級的分級

　　IIC(Impact Insulation Class)撞擊隔音等級檢測依據:

　　ASTM E492 Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine

　　ASTME492用打擊器實驗室測量沖擊聲波通過地板和天花板組合體傳播的試驗方法評價依據:

　　ASTM E989 Standard Classification for Determination of Impact Insulation Class

　　ASTME989沖擊隔音等級測定標準分級