Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!
The absorptivity is the amount of radiation absorbed by a surface compared to what is absorbed by a black body.
| Surface | Absorptivity |
|---|---|
| Aluminum, dull/rough polished | 0.4 - 0.65 |
| Aluminum. polished | 0.1 - 0.40 |
| Asbestos Cement, old | 0.83 |
| Black matte | 0.95 |
| Chromium plate | 0.20 |
| Iron, galvanized old | 0.89 - 0.92 |
| Grey paint | 0.95 |
| Light green paint | 0.95 |
| Limestone | 0.33 - 0.53 |
| Red clay brick | 0.94 |
| White paint | 0.89 |
Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the SketchUp Pro Sketchup Extension Warehouse!
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