Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 28 INORGANIC CHEMICALS; ORGANIC OR INORGANIC COMPOUNDS OF PRECIOUS METAL, OFRARE-EARTH METALS, OF RADIOACTIVE ELEMENTS OR OF ISOTOPES 28 40 BORATES; PEROXOBORATES (PERBORATES). 28 40 11 ANHYDROUS DISODIUM TETRABORATE (REFINED BORAX) Commodity Code Description 28 40 11 00 ANHYDROUS DISODIUM TETRABORATE (REFINED BORAX)