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1.1 This practice covers the calculation of the Solar Reflectance Index (SRI) of horizontal and low-sloped opaque surfaces at standard conditions. The method is intended to calculate SRI for surfaces with emissivity greater than 0.1.
Author | ASTM |
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Editor | ASTM |
Document type | Standard |
Format | File |
Confirmation date | 2019-08-01 |
ICS | 17.180.20 : Colours and measurement of light
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Number of pages | 3 |
Replace | ASTM E1980-11 |
Year | 2001 |
Document history | ASTM E1980-11 ASTM E1980-98e1 ASTM E1980-01 |
Country | USA |
Keyword | ASTM 1980;ASTM E1980;ASTM E1980;10.1520/E1980-11R19 |