| High purity coal impregnating pitch GB / T1250 softening point: 35-55,80-95 ℃, toluene insolubles ≤11%, volatile matter: 40-55, water ≤0%, ash ≤0.027%, quinoline insoluble material: 0.1%, coking value: 50% |
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| specifications︰ | High purity coal impregnating pitch |
| Advantages︰ | High purity coal impregnating pitch |
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