Industrial Grade Nanotubes These multiwall Carbon Nanotubes are produced by the CVD method, and are available from 25g to kilogram to ton quantities Specifications: Diameter: 10-30 nm Length: 5-20 microns nominal Purity: >85Wt% -Impurities: iron, ceramic oxides PLEASE NOTE: IG-CNT IS BACKORDERED - NO ORDERS WILL BE PROCESSED IG-CNT$300.00, 4/$800.00, 40/$1,000.00 quantity: 1 pack (=25g)4 packs (=100g)40 packs (=1kg)