ASTM E477-20

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

NORMA vydána dne 1.7.2020

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The information about the standard:

Designation standards: ASTM E477-20
Note: NEPLATNÁ
Publication date standards: 1.7.2020
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM

Annotation of standard text ASTM E477-20 :

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)