Heavy Base Oil (HBO) Saudi Arabia
| Sno. | Test Parameters | Test Method | Units | Specifications |
| 1 | Appearance | Visual | * | C&B |
| 2 | Color | D-1500 | * | <3.5 |
| 3 | Density@15°C | D-1298 | kg/m3 | 880-890 |
| 4 | Kinematic Viscosity@40°C | D-445 | cSt | 75-98 |
| 5 | Kinematic Viscosity@100°C | D-445 | cSt | 9.0-11.0 |
| 6 | Viscosity Index, Min. | D-2270 | * | 90 |
| 7 | Flash Point (COC), Min | D-92 | °C | >240 |
| 8 | Neutralization No., Max. | D-974 | mgKOH/gm | 0.05 |
| 9 | Conradson Carbon Residue | D-189 | Wt% | 0.1 |
| 10 | Sulphur Content | D-4294 | Wt% | 1.1 |
| 11 | Ash Content, Max. | D-482 | Wt% | 0.01 |
| 12 | Copper corrosion | D-130 | 100°C/3hrs | 1a |
| 13 | pour point | D-97 | °C | -6 |