Standard Test Method for Luminous Reflectance Factor of Acoustical Materials by Use of Integrating-Sphere Reflectometers (Includes all amendments And changes 11/4/2022).
NORMA vydaná dňa 1.6.2017
Designation standards: ASTM E1477-98A(2017)e1
Note: NEPLATNÁ
Publication date standards: 1.6.2017
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
Keywords:
acoustical materials, integrating sphere, luminous reflectance factor, reflectometer,, ICS Number Code 17.180.20 (Colours and measurement of light),91.120.20 (Acoustics in buildings. Sound insulation)