| Parameter | Specification |
| Appearance | Thick, dark brown to blackish liquid |
| Color | Dark brown, greenish-black |
| Odor | Strong, unpleasant, musty or earthy smell |
| Taste | Not edible, bitter or unpleasant |
| Acidity Level | Typically above 2.0% |
| Peroxide Value | Generally higher than acceptable food-grade standards |
| Free Fatty Acid Content | High, often above 2% (as oleic acid) |
| Density at 20°C | 0.910 – 0.920 g/cm³ |
| Moisture and Volatile Matter | ≤ 0.2% |
| Wax Content | Very high, may exceed 350 mg/kg |
| Unsaponifiable Matter | May be higher than refined oils |
| Usage | Not suitable for consumption; used in refining processes |