| Color | Brown to dark brown |
| Shape | Round, cylindrical, or square |
| Size | Diameter: 8-12 cm, Thickness: 3-4 cm |
| Density | 0.8 - 1.0 g/cm³ |
| Moisture Content | 10% - 15% |
| Ash Content | 15% - 20% |
| Calorific Value | 3500 - 4500 kcal/kg |
| Binding Material | Natural (no additives) |
| Weight | 80 - 150 grams per piece |
| Combustion Time | 3 - 5 hours |
| Carbon Content | 45% - 50% |