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Softening point: 80-95℃ |
Ash content: ≤0.3% |
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Toluene insoluble : 22-25% |
Quinoline insoluble : ≤ 10% |
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Volatile matter: 55%-68% |
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Mid-temperature pitch tar distillation vinasse; productive rate: 54～56%; constituted by aromatic compounds, heterocyclic compound and high polymer carbon material; according to softening point, pitch is divided into different types; softening point of mid-temperature pitch is 65-90℃.
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