| GCV Grades |
GCV BAND (K.Cal./Kg.) |
| G1 |
Exceeding 7000 |
| G2 |
Exceeding 6700 and not exceeding 7000 |
| G3 |
Exceeding 6400 and not exceeding 6700 |
| G4 |
Exceeding 6100 and not exceeding 6400 |
| G5 |
Exceeding 5800 and not exceeding 6100 |
| G6 |
Exceeding 5500 and not exceeding 5800 |
| G7 |
Exceeding 5200 and not exceeding 5500 |
| G8 |
Exceeding 4900 and not exceeding 5200 |
| G9 |
Exceeding 4600 and not exceeding 4900 |
| G10 |
Exceeding 4300 and not exceeding 4600 |
| G11 |
Exceeding 4000 and not exceeding 4300 |
| G12 |
Exceeding 3700 and not exceeding 4000 |
| G13 |
Exceeding 3400 and not exceeding 3700 |
| G14 |
Exceeding 3100 and not exceeding 3400 |
| G15 |
Exceeding 2800 and not exceeding 3100 |
| G16 |
Exceeding 2500 and not exceeding 2800 |
| G17 |
Exceeding 2200 and not exceeding 2500 |
