Testify of Carbon black N772
Grade:
N772wet process
Standard:
GB3778-2003
Items:
Standard:
Result:
Iodine absorption value g/kg
29±5
30
DBP absorption value 10-3m3/kg
72±5
73
Compressed DBP absorption 10-3m2/kg
63±5
62
CTAB absorption area 10m3m2/kg
29±5
31
STSA 10m3m2/kg
29±5
30
Nitrogen absorption value 10m3m2/kg
30±5
32
Coloring strength
----
----
Heating loss
≤1.5
1.5
Pour density
490±40
500
300%tensile strength Mpa
-4.1±1.6
-4.1
Result
Up to the grade