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Application courses: Coal Science and Technology (first-grade subject); Coal Utilization and Processing (Second grade subject); Coal reversion (third grade subject).
Physical and chemical properties:
It is black brittle solid at a normal temperature, glossy; odoriferous, toxic.
Boiling point: less than 470°C, flash point: 204.4°C, relative density (moisture=1): 1.15~1.25.
This product complies with YB/T5194-93 modified pitch standard.
Quality specification:
Name of specification | specification (first grade) |
Soft point (ring and ball method), °C | 120-130 |
Toluene insoluble matter, % | 28-34 |
Quinoline insoluble matter, % | 8-14 |
Β-resin content, % ≥ | 18 |
Coking value: % | 54 |
Ash content: % ≤ | 0.3 |
Moisture, % ≤ | 5 |