Property |
Specification |
Appearance |
Black, lightweight, porous solid |
Shape |
Irregular lumps, powder, or briquettes |
Color |
Dark black or grayish-black |
Size |
Varies from small granules to large lumps |
Density |
0.2 to 0.5 g/cm³ |
Hardness |
Varies, typically medium to hard |
Moisture Content |
Less than 5% |
Ash Content |
5% to 15% |
Volatile Matter |
20% to 30% |
Fixed Carbon Content |
70% to 80% |
Porosity |
High |
Thermal Conductivity |
Low (insulating material) |
Combustion Temperature |
600°C to 900°C |
Specific Heat Capacity |
0.25 to 0.3 J/g°C |