… Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. …
Explanatory notes
… must not, however, have lost its essential character as a raw material; further, it must not contain any added carbon … matter (max. % wt.) 1.00 1.00 1.00 1.00 1.00 Wallace rapid plasticity ‑ min. initial value (P 0 ) 30 30 30 30 30 … cleaning, drying and compression into bales. A wide range of machines may be used for granulation, such as …