Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 13 Natural polymers and modified natural polymers, in primary forms, nes 39 13 10 Alginic acid,its salts and esters 39 13 10 00 Alginic acid,its salts and esters Commodity Code Description 39 13 10 00 000 Alginic acid,its salts and esters