Listing ID #4791261
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Graphite most commonly occurs in metamorphic rocks, such as crystalline limestones, schists and gneisses. It may occur as large crystalline plates. It has probably been derived from carbon material of organic origin which has been converted into graphite during the metamorphism of the rock. Coal beds, under influence or strong metamorphic action, such as the intrusion into them of an igneous rock, have in a greater or less degree been converted into graphitic.
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Ingredients |
Upto- 84% | 85 – 88% | 88 – 89% | 90% | 91% | 92% | 93% | 94% |
95% | 96% | |
|
Volatile Matter (V.M.) (Max.) |
4.5 |
4.0 |
3.5 |
3.0 |
3.0 |
2.5 |
2.5 |
2.0 |
2.0 | 2.0 |
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|
Ash Content |
12.0 |
10.5 |
8.5 |
7.5 |
6.5 |
6.5 |
5.5 |
4.5 |
3.5 | 3.0 | |
|
V.M. + ASH (Max.) |
15.5 |
14.5 |
11.5 |
9.5 |
8.5 |
7.5 |
6.5 |
5.5 |
4.5 | 3.5 | |
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