Standard Test Method for Airflow Resistance of Acoustical Materials
NORMA vydaná dňa 1.4.2016
Designation standards: ASTM C522-03(2016)
Note: NEPLATNÁ
Publication date standards: 1.4.2016
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
Keywords:
absorption, acoustical materials, airflow resistance, airflow resistivity ,, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)