* Lodine absorption value g/kg 32-40
* DBP adsorption value 10 ˉ3m3/kg 85-95
* Compressd DBP absorption 10ˉ3m2/kg 69-79
* CTAB absorption area 10m3m2 /kg 31-41
* STSA 10 m3m2/kg 29-39
* Nitrogen absorption value 10 m3m2/kg 31-39
Coloring strength
* Heating loss ≤1.5
* Pour density 400-480
* 300% tensile strength Mpa 400-480