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Test method for impedance and absorption of sound transmitting materials

Test method for impedance and absorption of sound transmitting materials, Total:2 items.

In the international standard classification, Test method for impedance and absorption of sound transmitting materials involves: Protection of and in buildings.

American Society for Testing and Materials (ASTM), Test method for impedance and absorption of sound transmitting materials

• ASTM E1050-12 Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
• ASTM E1050-98(2006) Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System

Others:   Test method for impedance and absorption of sound transmitting materials.