| 400211 |
Styrene-butadiene rubber (SBR); carboxylated styrene-butadiene rubber (XSBR) |
| 400219 |
Other |
| 400220 |
Butadiene rubber (BR) |
| 400231 |
Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR) |
| 400239 |
Other |
| 400241 |
Chloroprene (chlorobutadiene) rubber (CR) |
| 400249 |
Other |
| 400251 |
Acrylonitrile-butadiene rubber (NBR) |
| 400259 |
Other |
| 400260 |
Isoprene rubber (IR) |
| 400270 |
Ethylene-propylene-non-conjugated diene rubber (EPDM) |
| 400280 |
Mixtures of any product of heading|4001|with any product of this heading |
| 400291 |
Other |
| 400299 |
Other |
