Specification :

N220
Iodine-absorption ( g/Kg ) 121±7
DBP Absorption (10-5 m3/kg ) 114±7
Compression DBP
absorption (10-5 m2/kg) 90^106
Surface of CTABabsorption
rate (102 m2/ kg) 102^120
STSA ( 102 m2 / kg ) 106±9
Surface of He absorption
rate ( 102 m2 / kg ) 112^126
Tint Stregth( % ) 108~124

N330
Iodine-absorption ( g/Kg ) 82±7
DBP Absorption (10-5 m3/kg ) 102±7
Compression DBP
absorption (10-5 m2/kg) 80^96
Surface of CTABabsorption
rate (102 m2/ kg) 73^91
STSA ( 102 m2 / kg ) 75±9
Surface of He absorption
rate ( 102 m2 / kg ) 71^85
Tint Stregth( % ) 96 ~ 112

N550
Iodine-absorption ( g/Kg ) 43 ± 6
DBP Absorption (10-5 m3/kg ) 121 ±7
Compression DBP
absorption (10-5 m2/kg) 77^93
Surface of CTABabsorption
rate (102 m2/ kg) 35^49
STSA ( 102 m2 / kg ) 39 ± 9
Surface of He absorption
rate ( 102 m2 / kg ) 34^46

N660
Iodine-absorption ( g/Kg ) 36 ± 6
DBP Absorption (10-5 m3/kg ) 90 ± 7
Compression DBP
absorption (10-5 m2/kg) 66^82
Surface of CTABabsorption
rate (102 m2/ kg) 29^43
STSA ( 102 m2 / kg ) 39 ± 9
Surface of He absorption
rate ( 102 m2 / kg ) 29^41