Industrial Carboxyl Single-Walled Crabon Nanotubes >60%,ID:0.8-1.6nm,OD:1-2nm,Length:5-30μm,-COOH:~3wt%，>60%,ID:0.8-1.6nm,OD:1-2nm,Length:1-3μm,-COOH:~2.73wt%
