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 gums, in primary forms or in plates, sheets or strip. 40 01 30 Balata, gutta-percha... and similar gums, in primary forms or in plates Commodity Code Description 40 01 30 00 Balata, gutta-percha... and similar gums, in primary forms or in plates