Coal tar pitch specifications:
|
Index name |
Medium temp.coal pitch |
Medium temp.modified coal tar pitch |
modified coal tar pitch |
|
Softening point ℃ |
85-90 |
95-105 |
100-110 |
|
Insolubles in toluene% |
15-25 |
28-34 |
28-34 |
|
Quinoline Insolubles matter % |
≤10 |
8-14 |
8-14 |
|
Ash% |
≤0.3 |
≤0.3 |
≤0.3 |
|
Moisture% |
≤5 |
≤5 |
≤5 |
|
Beta resin |
--- |
≥18 |
≥18 |
|
Coking value |
--- |
≥54 |
≥56 |

