| Chapter Code | Chapter Description |
|---|
| 400211 | STYRENE-BUTADIENE RUBBER (SBR); CARBOXYLATED STYRENE-BUTADIENE RUBBER (XSBR): LATEX |
| 400219 | STYRENE-BUTADIENE RUBBER (SBR); CARBOXYLATED STYRENE-BUTADIENE RUBBER (XSBR): OTHER |
| 400220 | BUTADIENE RUBBER (BR) |
| 400231 | ISOBUTENE-ISOPRENE (BUTYL) RUBBER (IIR); HALO-ISOBUTENE-ISOPRENE RUBBER (CIIR OR BIIR): ISOBUTENE-ISOPRENE (BUTYL) RUBBER (IIR) |
| 400239 | ISOBUTENE-ISOPRENE (BUTYL) RUBBER (IIR); HALO-ISOBUTENE-ISOPRENE RUBBER (CIIR OR BIIR): OTHER |
| 400241 | CHLORPRENE (CHLOROBUTADIENE) RUBBER (CR) : LATEX |
| 400249 | CHLORPRENE (CHLOROBUTADIENE) RUBBER (CR) : OTHER |
| 400251 | ACRYLONITRILE-BUTADIENE RUBBER (NBR) : LATEX |