index name
|
first class
|
second class
|
softening point
|
100-115
|
100-120
|
toluene insolubles content, %
|
28-34
|
> 26
|
quinoline insolubles matter, %
|
8-14
|
6-15
|
β -resin content, % ≥
|
18
|
16
|
coked value, % ≥
|
54
|
50
|
ash, % ≤
|
0.3
|
0.3
|
moisture,% ≤
|
5
|
5
|