Light Reflectance Value (LRV) / Solar Reflectance Index (SRI)

Light Reflectance Value (LRV)

ASTM C609

Standard Test Method for Measurement of Light Reflectance Value and Small Color Differences Between Pieces of Ceramic Tile

BS 8493

Light reflectance value (LRV) of a surface. Method of test

Solar Reflectance Index (SRI)

ASTM E903

Standard Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres

ASTM C1371

Standard Test Method for Determination of Emittance of Materials Near Room Temperature Using Portable Emissometers

ASTM E1980

Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces