Standard Test Method for Luminous Reflectance Factor of Acoustical Materials by Use of Integrating-Sphere Reflectometers (Includes all amendments And changes 3/2/2021).
NORMA vydaná dňa 10.12.1998
Designation standards: ASTM E1477-98a
Note: NEPLATNÁ
Publication date standards: 10.12.1998
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
Keywords:
Acoustical materials/tests, CIE color-scale system, Integrating sphere reflectometer, Luminous reflectance factor, Optical materials/properties/tests, Reflectance and reflectivity, Reflectometer, Spectrophotometry, Transmittance and reflectance, luminous reflectance factor of acoustical materials, by use of, integrating sphere reflectometers, test