Specification :

N220
Iodine-absorption Number, g/ Kg 121± 5
DBP Absorption ( 10-5 m3/ kg ) 114± 5
Compression DBP absorption ( 10-5 m2/ kg) 90^ 105
Nitrogen Surface area Absorptive( 103m2/ Kg) 109-129
Surface of CTAB absorption rate ( 102 m2 / kg ) 102^ 121
Ash Content% 0.5
45¼ m Sieve Residue, % d0.10
150¼ m Sieve Residue, % d0.02
Surface of He absorption rate ( 102 m2 / kg) 112^ 126
Tint Stregth( % ) 105~ 125
N330
Iodine-absorption Number, g/ Kg 82± 7
DBP Absorption ( 10-5 m3/ kg ) 102± 7
Compression DBP absorption ( 10-5 m2/ kg) 78^ 98
Nitrogen Surface area Absorptive( 103m2/ Kg) 73-93
Surface of CTAB absorption rate ( 102 m2 / kg ) 73^ 91
Ash Content% 0.5
45¼ m Sieve Residue, % d0.10
150¼ m Sieve Residue, % d0.02
Surface of He absorption rate ( 102 m2 / kg ) 71^ 85
Tint Stregth( % ) 95 ~ 111
N550
Iodine-absorption Number, g/ Kg 43 ± 6
DBP Absorption ( 10-5 m3/ kg ) 121 ± 7
Compression DBP absorption ( 10-5 m2/ kg) 77^ 93
Nitrogen Surface area Absorptive( 103m2/ Kg) 34-50
Surface of CTAB absorption rate ( 102 m2 / kg ) 35^ 49
Ash Content% 0.5
45¼ m Sieve Residue, % d0.10
150¼ m Sieve Residue, % d0.02
Surface of He absorption rate ( 102 m2 / kg ) 34^ 46
Tint Stregth( % ) - -
N660
Iodine-absorption Number, g/ Kg 36 ± 6
DBP Absorption ( 10-5 m3/ kg ) 90 ± 7
Compression DBP absorption ( 10-5 m2/ kg) 66^ 82
Nitrogen Surface area Absorptive( 103m2/ Kg) 27-43
Surface of CTAB absorption rate ( 102 m2 / kg ) 29^ 43
Ash Content% 0.5
45¼ m Sieve Residue, % d0.10
150¼ m Sieve Residue, % d0.02
Surface of He absorption rate ( 102 m2 / kg) 29^ 41
Tint Stregth( % ) - -