N220
N330
N550
N660

Iodine-absorption number, g/kg
121fa5
82fa7
43 fa 6
36 fa 6

Dbp absorption (10-5 m3/kg )
114fa5
102fa7
121 fa 7
90 fa 7

Compression dbp absorption (10-5 m2/kg)
90f+105
78f+98
77f+93
66f+82

Nitrogen surface area absorptive(103m2/kg)
109-129
73-93
34-50
27-43

Surface of ctab absorption rate (102 m2 / kg )
102f+121
73f+91
35f+49
29f+43

Ash content%
0.5
0.5
0.5
0.5

45¬8m sieve residue, %fn
0.10
0.10
0.10
0.10

150¬8m sieve residue, %fn
0.02
0.02
0.02
0.02

Surface of he absorption rate ( 102 m2 / kg )
112f+126
71f+85
34f+46
29f+41

Tint stregth( %)
105~125
95 ~ 111
-
-

Appearance
Black powder or granular

Packing
25kg net bag, 16mt in 20f+fcl

Usage
Its mainly used in rubber industry, and in printing ink, paint, plastic industry, car tire tread etc.
wangde6@wdchem.cn



Granular packing 25kg net bag, 16mt in 20f+fcl