-OH Content：3.96wt%                                                                                          

(The rate of surface carbon atom:8-10mol%)                                                               

OD:1-2nm [OD=Outer Diameter]                                                                          

ID：0.8-1.6nm   [ID=Inner Diameter]                                                                          

Length：5-30um                                                                          

SSA：>407m2/g    [SSA=Special Surface Area]                                                            

Color: Black                                                                          

Tap density: 0.14 g/cm3                                                                          

True density: ~2.1 g/cm3                                                                          

EC:>100s/cm [EC=Electric Conductivity]