carbon black N550

Inspection Item                             Designated Value            

Absorption number g/kg                        43±5                      

CTAB adsorption surface area 103/kg           35-49                       

DBP absorption value 10-5m3/kg                 121±5                      

DBP absorption value of                 

Sample change compaction 10-5m3/kg             77-93                   

Color Intensity %                              ____

PH value                                      ____                                                                                          

Heating Loss %                                ≤0.5                          

Ash content %                             0.5                         

45um Residue on sieve %                 ≤0.10                      

150um Residue on sieve %                 _____                       

500um Residue on sieve %                ≤0.001                      

Nitrogen adsorption surface area /g       112-126                       

Impurity material                        ____                   

MPa 300 modulus                       -0.9±1.6