| 3812.10 | | Prepared rubber accelerators: | | | | |
| 3812.10.10 | 00 | Containing any aromatic or modified aromatic rubber accelerator | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P) 0.2￠/kg + 2.9% (SG) | 3.7￠/kg + 60% |
| 3812.20 | | Compound plasticizers for rubber or plastics: | | | | |
| 3812.30 | | Antioxidizing preparations and other compound stabilizers for rubber or plastics: | | | | |
| 3824.81.00 | 00 | Mixtures and preparations containing oxirane (ethylene oxide), polybrominated biphenyls (PBBs), polychlorinated biphenyls (PCBs), polychlorinated terphenyls (PCTs) or tris(2,3-dibromopropyl) phosphate: | | | | |
| 3824.82 | | Containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls ({PCTs) or polybrominated biphenyls (PBBs): | | | | |
| 3911.90.70 | 00 | Chlorinated synthetic rubber | kg | Free | | 2.2￠/kg + 33.5% |
| 3913 | | Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms: | | | | |
| 3913.90.10 | 00 | Chemical derivatives of natural rubber | kg | Free | | 20% |
| 3923.40.00 | | Spools, cops, bobbins and similar supports | | 5.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 80% |
| 3926.90.83 | 00 | Empty cartridges and cassettes for typewriter and machine ribbons | X | 5.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 80% |
| 4001 | | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip: | | | | |
| 4001.10.00 | 00 | Natural rubber latex, whether or not pre-vulcanized | kg | Free | | Free |
| 4001.21.00 | | Natural rubber in other forms: | | | | |
| 4001.22.00 | | Technically specified natural rubber (TSNR) | | Free | | Free |
| 4002 | | Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 4001 with any product of this heading, in primary forms or in plates, sheets or strip: | | | | |
| 4002.11.00 | 00 | Styrene-butadiene rubber (SBR); carboxylated styrene-butadiene rubber (XSBR): | | | | |
| 4002.20.00 | 00 | Butadiene rubber (BR) | kg | Free | | 20% |
| 4002.31.00 | 00 | Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR): | | | | |
| 4002.31.00 | 00 | Isobutene-isoprene (butyl) rubber (IIR) | kg | Free | | 20% |
| 4002.41.00 | 00 | Chloroprene (chlorobutadiene) rubber (CR): | | | | |
| 4002.51.00 | 00 | Acrylonitrile-butadiene rubber (NBR): | | | | |
| 4002.60.00 | 00 | Isoprene rubber (IR) | kg | Free | | 20% |
| 4002.70.00 | 00 | Ethylene-propylene-nonconjugated diene rubber (EPDM) | kg | Free | | 20% |
| 4003.00.00 | 00 | Reclaimed rubber in primary forms or in plates, sheets or strip | kg | Free | | Free |
