Research Article
Estimating the Asphalt Binder Film Thickness Using Scanning Electron Microscope and Energy Dispersive X-Ray Spectroscopy
Table 2
Asphalt Institute (AI) surface area factors.
| Sieve size (mm) | +25 | 25 | 19 | 12.5 | 9.5 | 4.75 | 2.36 | 1.18 | 0.60 | 0.30 | 0.15 | 0.075 |
| Surface area factors (m2/kg) | 0.41 | 0.41 | 0.41 | 0.41 | 0.41 | 0.41 | 0.82 | 1.64 | 2.87 | 6.14 | 12.29 | 32.77 |
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