Home About Us Resources Products Services Contact Us You have choosen multiwall carbon nanotubes, hollow structure. Purity > 95%, residuals may include iron, sulfur. OD 30 ± 15 nm Length 1-5 microns SSA 200 - 400 m2/g [back] PD30L15-100g$7,500.00 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”.