High polymer pitch
1.Product feature
The high polymer pitch is composed from coal pitch.The appearance is spherical,graininess and farinaceous.The product can be classified according to softening point,and widely used as additive for alkalescent fire-resistant material,in iron ditch material,gun mud,taphole of blast furnace,metallurgical refractories and magnesia-carbon brick.
2.Feature and technical item
Feature
Technical items
SP110
SP130
SP150
SP180
SP210
Softening point °C
105-120
120-140
140-170
170-200
200-220
Coking value%
54
60
62
52
70
Toluene insoluble matter%
28-34
28-40
28-40
-
55-65
Quinoline insoluble matter%
8-14
8-15
8-20
-
15-30
Ash
0.3
0.3
0.3
0.5
0.5
Graininess size:ordinarily1~0.2mm.Special spec can be customized
Farinaceous size:60item~200item.Supply by grade customized
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