Explanatory notes
… or not vulcanised or hard : natural rubber, balata, gutta‑percha, guayule, chicle and similar natural gums, synthetic … following products : (1) Natural rubber, balata, gutta‑percha, guayule, chicle and similar (i.e., rubber‑like) …Legal note
… or not vulcanised or hard : natural rubber, balata, gutta‑percha, guayule, chicle and similar natural gums, synthetic …