Research Article
Evaluating the Surface Free Energy and Moisture Sensitivity of Warm Mix Asphalt Binders Using Dynamic Contact Angle
Table 3
Surface free energy characteristics of probe liquids.
| Types of probe liquid | Nonpolar component (ergs/cm2) | Basic component (ergs/cm2) | Acidic component (ergs/cm2) | Polar component (ergs/cm2) | Total SFE (ergs/cm2) |
| Distilled water | 21.8 | 25.5 | 25.5 | 51.0 | 72.8 | Ethylene glycol | 29.0 | 1.92 | 47.0 | 19.0 | 48.0 | Methylene iodide1 | 50.8 | 0.0 | 0.0 | 0.0 | 50.8 |
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1Also known as diiodomethane.
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