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prEN ISO 9053-2

Acoustics - Determination of airflow resistance - Part 2: Alternating airflow method (ISO/DIS 9053-2:2020)

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ISO/DIS 9053-2; prEN ISO 9053-2
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prEN ISO 9053-2
This International Standard specifies an alternating airflow method for the determination of the airflow resistance[1] [2] of porous materials for acoustical applications. Determination of the airflow resistance based on static flow is described in ISO 9053-1.
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