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