| 4001.22 | 0 | Technically specified natural rubber (TSNR) |
| 4001.3 | 0 | Balata, gutta -percha, guayule, chicle and similar natural gums |
| 40.02 | | Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 40.01 with any product of this heading, in primary forms or in plates, sheets or strip. |
| 40.02 | | Styrene-butadiene rubber (SBR); carboxylated styrene-butadiene rubber (XSBR) : |
| 4002.2 | 0 | Butadiene rubber (BR) |
| 4002.2 | | Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR) : |
| 4002.31 | 0 | Isobutene-isoprene (butyl) rubber (IIR) |
| 4002.39 | | Chloroprene (chlorobutadiene) rubber (CR) : |
| 4002.49 | | Acrylonitrile -butadiene rubber (NBR) : |
| 4002.6 | 0 | Isoprene rubber (IR) |
| 4002.7 | 0 | Ethylene-propylene-non-conjugated diene rubber (EPDM) |
| 4003 | 0 | Reclaimed rubber in primary forms or in plates, sheets or strip. |
| 4004 | 0 | Waste, parings and scrap of rubber (other than hard rubber) and powders and granules obtained therefrom. |
| 40.05 | | Compounded rubber, unvulcanised, in primary forms or in plates, sheets or strip |
| 4005.1 | 0 | Compounded with carbon black or silica |
| 4005.2 | | Solutions; dispersions other than those of subheading 4005.10 |
| 4005.2 | 10 | 1 Of natural rubber |
| 4005.99 | 10 | 1 Of natural rubber |
| 40.06 | | Other forms (for example, rods, tubes and profile shapes) and articles (for example, discs and rings), of unvulcanised rubber. |
| 4006.1 | 0 | “Camel-back” strips for retreading rubber tyres |
| 4007 | 0 | Vulcanised rubber thread and cord. |
| 40.08 | | Plates, sheets, strip, rods and profile shapes, of vulcanised rubber other than hard rubber. |
| 40.08 | | Of cellular rubber |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
