>70%,ID: 20-50nm,OD: 30-60nm,Length: 1-10μm

>90%,ID:5-10nm,OD:20-40nm,Length:10-30μm

≥95%,ID:0.8-1.6nm,OD:1-2nm,Length:5-30um

Purity: 99.9% Diameter: 150-200 nm (from HRTEM, Raman) Length: 10 - 20 microns (TEM) Aspect Ratio: 70 Graphitization: >80% Conductivity: ρ= 6 * 10^6Ω*m Thermal conductivity: K＞1600w/mk Area: 300 square meters/gram (BET) Thermal conductivity: ~ 2000 W/m Thermal expansion coefficient: 1.0ppm /℃ Bulk density: 0.18g/cm3 ~True density: 2 g/cm3

99.9%

98%

>90%,ID:5-10nm,OD:10-30nm,Length:10-30μm

>90%,ID:5-15nm,OD:>50nm,Length:10-20μm

>90%,OD:10-20nm,Length:20-100μm