
Standard Test Method for Airflow Resistance of Acoustical Materials
NORMA vydána dne 1.1.1993
Designation standards: ASTM C522-87(1997)
Note: NEPLATNÁ
Publication date standards: 1.1.1993
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Kategorie: Technické normy ASTM
Keywords:
absorption, acoustical materials, airflow resistance, airflow resistivity, ICS Number Code 91.120.20 (Acoust in buildings. Sound insulation)