Active Standard: C522 - 03(2009)e1
In order to verify the precision and bias statement in the standard is correct, this work item will commission a round robin coordinated with ASTM E1050 testing to establish the current repeatability and reproducibility for ASTM C522. It has been many years since a round robin was held for ASTM C522.
Keywordsabsorption; acoustical materials; airflow resistance; airflow resistivity; Absorption; Acoustical tests; Airflow performance; Airflow resistance; Airflow resistivity; Sound transmission--building materials/applications;
Draft Under Development