
Standard Test Method for Measuring Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers
NORMA vydaná dňa 1.2.2006
Designation standards: ASTM E477-06
Note: NEPLATNÁ
Publication date standards: 1.2.2006
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
Keywords:
airflow generated noise, airflow performance, duct liner materials, insertion loss, prefabricated elbow silencers, prefabricated straight silencers, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)