Items

N220

N330

N550

N660

Indine absorption g/kg

121±5

82±5

43±4

36±4

DBP Absorption

114±5

102±5

121±5

90±5

CTAB Surface Area,

106-116

79-87

38-46

31-39

Nireogen Surface Area,

114-124

78-88

38-46

30-40

Tint Strength

110-120

98-108

Heating Loss,%,max

3.0

2.5

2.5

1.5

Ash,%,max

0.5

0.5

0.5

0.5

Tensile strength Msp,min,%

-0.8

-1.5

-3.5

-3.5

Exrension,%,min

+10

-10

-10

+10