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Softening point: 100-115℃ |
Coking value: ≥54% |
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Ash content: ≤0.3% |
Toluene insoluble : 28-34% |
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Quinoline insoluble : 6-15% |
β-resin content:≥18% |
Black frigid block under normal temperature with luster; toxic; boiling point: ＜470℃; flashing point: 204.4℃; Relative density: 1.15~1.25; meet YB/T5194-93 standard
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