Carbon nanotubes, also known as the Pakistani tube, are a one-dimensional quantum material with a special structure (radial dimensions are in the order of nanometer, the axial dimension is in the order of microns, and both ends of the tube are substantially sealed). Alfa Chemistry offers a powerful range of carbon nanotube nanomaterials, including: Carbon Nanotubes, Purified Single-wall Carbon, Nanotubes, Carbon Nanotube Sponges, Oriented Carbon Nanotube Array. Please visit http://www.alfa-chemistry.com/products/carbon-nanotube-nanomaterials-45.htm for more information.