Carbon black specification used in rubber GB3778-2003
|
Item
|
Carbon black N660
|
|
Iodine Absorption Number (g/Kg)
|
36±5
|
|
DBP Absorption Number (10-5m3/Kg)
|
90±5
|
|
Compressed DBP Absorption Number (10-5m3/Kg)
|
66-82
|
|
CTAB Surface Area ( 103m2/Kg)
|
29-43
|
|
Nitrogen Surface Area ( 103m2/Kg)
|
29-41
|
|
Tint strength %
|
_
|
|
PH Value
|
7±1.5
|
|
Heating Loss % ≤
|
1.5
|
|
Ash Content % ≤
|
0.7
|
|
45um mesh % ≤
|
0.1
|
|
Impurity
|
No
|
|
Fines Content % ≤
|
7
|
|
Modulus at 300% Mpa
|
-2.6±1.6
|
Characteristic : Medium-high reinforcing medium modulus good flexure resistance low heat build up
Use: Tyre body ,rubber material of inner tyre,common die and extrusion,single layeramp-proof system products