ASTM-E1477 › Standard Test Method for Luminous Reflectance Factor of Acoustical Materials by Use of Integrating-Sphere Reflectometers
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Scope
1.1 This test method covers the measurement of the luminous reflectance factor of acoustical materials for use in predicting the levels of room illumination.
1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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
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Document Number
ASTM-E1477-98AR22
Revision Level
1998A R22 EDITION
Status
Current
Modification Type
Revision
Publication Date
Nov. 4, 2022
Document Type
Test Method
Page Count
2 pages
Committee Number
E12.02