ASTM C 523 : 1968 : R1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Method of Test for Light Reflectance of Acoustical Materials by the Integrating Sphere Reflectometer
Hardcopy , PDF
01-01-2014
English
01-01-2014
Measures light reflectance of acoustical material to predict level of room illumination.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.