工业级羧基化多壁碳纳米管 ≥90%,OD:10-30nm,Length:10-30μm,≥90%,ID:5-15nm,OD:>50nm,Length:10-20μm,≥90%,ID:5-10nm,OD:20-40nm,Length:10-30μm,≥90%,ID:5-10nm,OD:10-30nm,Length:10-30μm