Mason acoustic products are tested in accordance with the following International Standards
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ASTM E90 - 90a |
Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss
of Building Partitions.
|
| ASTM C423 - 90a |
Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method. |
ASTM E477 - 90a
|
Standard Test Method for Measuring Acoustical and Airflow Performance of Duct Liner
Materials and Prefabricated Silencers. |
ASTM C384 - 90a
|
Standard Test Method for Impedance and Absorption of Acoustical Materials by the
Impedance Tube Method. |
| ISO 354 - 1985(E) |
Acoustics - Measurement of Sound Absorption in a Reverberation Room.
|
| ISO 140 - 1978 |
Acoustics - Measurement of Sound Insulation in Buildings and of Building Elements. |
| ISO 717/3 - 1982(E) |
Acoustics - Rating of Sound Insulation in Buildings and of Building Elements. |
| ISO 3745 - 1977(E) |
Acoustics - Determination of Sound Power Levels of Noise Sources - Precision Methods for
Anechoic and Semi-anechoic Rooms. |
ISO 7235
|
Acoustics -Laboratory Measurement of Procedures for Ducted Silencers and Air Terminal
Units Insertion Loss, Flow Noise and Total Pressure Loss. |
| BS 2750 |
Acoustics. Measurement of Sound Insulation in Buildings and Building Elements. |
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