GB/T2290-1994 Coal Asphalt Classification Standard

Softening Point
**Insolubles
Ash
Volatile matter
Moisture
Quinoline insolubles
number 1
80-90°C
15-25%
≤0.3%
58-68%
≤5.0%
≤10%
number 2
75-95°C
≤25%
≤0.4%
55-75%
≤5.0%

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