| Material |
Emissivity |
| Asbestos |
0.95 |
| Asphalt |
0.95 |
| Basalt |
0.7 |
| Brick |
|
| Red, Rough |
0.93 |
| Gault Cream |
0.26 to 0.30 |
| Fire Clay |
0.75 |
| Lime Clay |
0.43 |
| Fire Brick |
0.75 to 0.80 |
| Magnesite, Refractory |
0.38 |
| Gray Brick |
0.75 |
| Silica, Glazed |
0.88 |
| Silica, Unglazed |
0.80 |
| Sandlime |
0.59 to 0.63 |
| Carborundum |
0.92 |
| Carbon |
|
| Unoxidized |
0.8 to 0.9 |
| Graphite |
0.7 to 0.8 |
|
| Material |
Emissivity |
| Ceramic |
0.95 |
| Clay |
0.95 |
| Concrete |
0.95 |
| Cloth |
0.95 |
| Glass |
0.85 |
| Gravel |
0.95 |
| Gypsum |
0.8 to 0.95 |
| Ice |
0.98 |
| Limestone |
0.98 |
| Paint (non-Al.) |
0.9 to 0.95 |
| Paper (any color) |
0.95 |
| Plastic |
0.95 |
| Rubber |
0.95 |
| Sand |
0.9 |
| Snow |
0.9 |
| Soil |
0.9 to 0.98 |
| Water |
0.93 |
| Wood |
0.9 to 0.95 |
|
