ASTM E477-99

Standard Test Method for Measuring Acoustical and Airflow Performance of Duct Liner Materials and Prefabricated Silencers

NORMA vydaná dňa 10.10.1999

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The information about the standard:

Designation standards: ASTM E477-99
Note: NEPLATNÁ
Publication date standards: 10.10.1999
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Kategória: Technické normy ASTM

Annotation of standard text ASTM E477-99 :

Keywords:
airflow generated noise, airflow performance, duct liner materials, insertion loss, prefabricated silencers, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)