Section 07 PLASTICS AND ARTICLES THEREOF; RUBBER AND ARTICLES THEREOF 40 RUBBER AND ARTICLES THEREOF 40 01 NATURAL RUBBER, BALATA, GUTTA-PERCHA, GUAYULE, CHICLE AND SIMILAR NATURAL Commodity Code Description 40 01 10 NATURAL RUBBER LATEX, WHETHER OR NOT PRE-VULCANIZED 40 01 21 SMOKED SHEETS (NATURAL RUBBER) 40 01 22 TECHNICALLY SPECIFIED NATURAL RUBBER (TSNR) 40 01 29 OTHER NATURAL RUBBER IN OTHER FORMS 40 01 30 BALATA, GUTTA-PERCHA, GUAYULE, CHICLE AND SIMILAR NATURAL GUMS.