Table 2.
Chemical composition and viscosity of the healing agents.
| Healing Agents | Chemical Composition (%) | Viscosity | ||||
|---|---|---|---|---|---|---|
| Saturates | Aromatics | Resins | Asphaltenes | Residue at 60 °C (Pa s) | Emulsion at 25 °C (cp) | |
| KY | 1.5 | 86.3 | 10.0 | 2.2 | 0.5–5 | – |
| FY | 7.3 | 84.5 | 3.3 | 4.9 | 30–50 | – |
| KR | 1.5 | 86.3 | 10.0 | 2.2 | 0.5–5 | 30–50 |
| FR | 7.3 | 84.5 | 3.3 | 4.9 | 30–50 | 40–60 |
| HA-2 | 18.1 | 48.6 | 22.2 | 11.1 | 140–160 | 50–70 |
| HA-3 | 12.2 | 70.1 | 11.2 | 6.5 | 100–120 | 45–65 |
| BBE | 14.1 | 29.6 | 43.5 | 12.8 | 210–230 | 150–170 |
Note: KY = sunflower oil; KR = sunflower oil emulsion; FY = aromatic oil; FR = aromatic oil emulsion; HA-2 and HA-3 = two commercial agents; BBE = base asphalt emulsion.