Home About Us Resources Products Services Contact Us You have selected substrate size 5mm x 5mm. Please choose substrate material and sphere size. [back] SubstrateSize5x5mm$100.00 Material: selectsiliconglassstainless steelgraphite Sphere Size: select0.5 microns1.0 micron1.5 microns 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”.