Structure
   - Stacking  Arrangement : herringbone type

Size Properties
   - Diameter : 50200 nm
   - Length : 1030 um
   - Aspect Ratio : > 100

Purity :   > 90 wt%

Specific Surface Area :  100 ~ 300 m2/g

Bulk Density : 0.18 0.20 (g/cm3)