Coal tar pitch
Related properties of medium temperature coal tar pitch
Parametersunits first classsecond class
Softening point (ring-ball)80~9075~95
Ti( toluene insolubles)15~25n25
Qi( quinoline insolubles)6~106~15
B- resin no less than--
Coking value no less than --
Dust no more than0.30.3
Moisture no more than55
Related properties of modified coaltar pitch
Parameters unitsfiest classsecond class
Softening point(ring-ball)100~115100~120
Ti( toluene insolubles) 28~34>26
Qi( quinoline insolubles) 8~146~15
B- resin no less than1816
Coking value no less than5450
Dust no more than0.30.3
Moisture no more than55
