| Average Solar Reflectance (rounded) as tested by Independent Authorized Testing Laboratory |
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| MIX NAME |
SOLAR REFLECTANCE |
SOLAR REFLECTANCE INDEX (SRI)* |
| 6 Sack Mix 2% 115 Yellow |
0.48 |
56 |
| 6 Sack Mix 4% 115 Yellow |
0.43 |
49 |
| 6 Sack Mix 2% 413 Red |
0.44 |
50 |
| 6 Sack Mix 4% 413 Red |
0.42 |
48 |
| 6 Sack Mix 2% 600 White |
0.52 |
61 |
| 6 Sack Mix 3% 600 White |
0.54 |
64 |
| 6 Sack Mix 4% 600 White |
0.59 |
71 |
| 6 Sack Mix 2% 242 Sahara |
0.41 |
46 |
| 6 Sack Mix 2% 115 Yellow and 2% 600 White |
0.44 |
50 |
| 6 Sack Mix 4% 115 Yellow and 4% 600 White |
0.47 |
54 |
| 6 Sack Mix 2% 413 Red and 2% 600 White |
0.44 |
50 |
| 6 Sack Mix 4% 413 Red and 4% 600 White |
0.42 |
48 |
| 413 Fox |
0.34 |
37 |
| 288 Ginger |
0.37 |
41 |
| 288 Bamboo |
0.37 |
41 |
| 757 Pecan |
0.37 |
41 |
| 757 Antique Gold |
0.37 |
41 |
| 755 Driftwood |
0.36 |
40 |
| 755 Spice |
0.37 |
41 |
| 306 Canvas |
0.34 |
37 |
| 306 Toffee |
0.28 |
29 |
| 306 Burlap |
0.28 |
29 |
| 238 Doeskin |
0.37 |
41 |
| 238 Buttercup |
0.39 |
44 |
| 2% 125 Olive Buff |
0.34 |
37 |
| 4.5% 125 Olive Buff |
0.34 |
37 |
| 489 Light Plum |
0.24 |
24 |
| 489 Redwood |
0.22 |
22 |
| 338 Rawhide |
0.25 |
25 |
| 338 Buckskin |
0.24 |
24 |
| 385 Taupe |
0.28 |
29 |
| 385 Lava |
0.23 |
23 |
| 385 Buffalo |
0.21 |
20 |
| 385 Bark |
0.18 |
16 |
| 242 Sandalwood |
0.24 |
24 |
| 467 Oyster |
0.17 |
15 |
| 467 Orchid |
0.15 |
13 |
| 920 Slate |
0.22 |
22 |
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Unless otherwise noted, these tests were done in a medium gray cement at a 5.5 sack mix.
Results may vary using darker cements, fly ash, or furnace slag. Samples can be tested using customers materials.
Please contact our corporate office or a Solomon salesman for details. |
* Solar reflectance index (SRI) calculated according to ASTM E 1980 – 01 Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces, assuming an emmitance of 0.9, which is appropriate for concrete. |
Click to download a pdf of the Solar Reflectance of Concrete Specimens Chart

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