Home About Us Resources Products Services Contact Us The Multiwall carbon nanotubes are harvested from aligned arrays, which is produced by PECVD method, and then suspended in DI water. The concentration is 1x109 CNTs per 100ml. pecvd-diwater-50ml$250.00Select: PECVD-CNT parameterlength 1um, diameter 30-50nmlength: 5um, diameter 30-50nmlength 10um, diameter 100nmlength 15um, diameter 100-150nmlength 20um, diameter 150-200nm Customers in State of Indiana: 7% sales tax must be charged unless all information in each section of ST-105 is fully completed by the purchaser. If you are exempt from sales tax, please fill out Form ST-105 at or before you place an order by clicking Indiana Department of Revenue General Sales Tax Exemption Certificate Please fax the form to (781) 609 2899 Thanks! updated: 08/10/2011 NANOLABTM as a trade mark was registered with “Registered, U.S. Patent and Trademark Office”.