Ash Contents of Different Grades of Non-coking Coal Produced by Coal India Limited (CIL) and Subsidiaries (2002) | |
Grade of Non-coking Coal | Corresponding Ash Percentage and Moisture Percentage at 60% Relative Humidity (RH) and 40 Degree Centigrade at 5% Moisture Level |
A | Not exceeding 19.6 |
&nBsp;B&nBsp; | &nBsp;(+) 19.6 and upto 23.9&nBsp; |
C | (+) 23.9 and upto 28.7 |
D | (+) 28.7 anD upto 34.1 |
E | (+) 34.1 and upto 40.1 |
F | (+) 40.1 and upto 47.1 |
G | (+) 47.1 and upto 55.1 |