Amination multi-walled carbon nanotubes

Amination multi-walled carbon nanotubes ≥95%,ID:5-12nm, OD:30-50nm, Length:＜10um，COOH≥0.7%，95%(ID:5-12nm,OD:30-50nm,Length:10-20um,COOH≥2%)，>95%,ID:5-10nm,OD:10-20nm,Length:10-30μm,-COOH:~2wt%，>95%,ID:5-10nm,OD:20-30nm,Length:10-30μm,-COOH:~1.2wt%，>95%,ID:5-15nm,OD:>50nm,Length:10-20μm,-COOH:~0.49wt%，>95%,ID:2-5nm,OD:<8nm,Length:10-30μm,-COOH:~3.9wt%