| 4001.30.00 | 25 | Leche caspi and sorva | kg | | | |
| 4001.30.00 | 50 | Other | kg | | | |
| 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: | | | | |
| 4002.19.00 | | Other | | Free | | 20% |
| 4002.19.00 | 10 | Containing 50 percent or less styrene by weight of the dry polymer | kg | | | |
| 4002.19.00 | 20 | Containing over 50 percent styrene by weight of the dry polymer | kg | | | |
| 4002.31.00 | 00 | Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR): | | | | |
| 4002.39.00 | 00 | Other | kg | Free | | 20% |
| 4002.41.00 | 00 | Chloroprene (chlorobutadiene) rubber (CR): | | | | |
| 4002.49.00 | 00 | Other | kg | Free | | 20% |
| 4002.59.00 | 00 | Other | kg | Free | | 20% |
| 4002.70.00 | 00 | Ethylene-propylene-nonconjugated diene rubber (EPDM) | kg | Free | | 20% |
| 4002.80.00 | 00 | Mixtures of any product of heading 4001 with any product of this heading | kg | Free | | 20% |
| 4002.91.00 | 00 | Other: | | | | |
| 4002.99.00 | 00 | Other | kg | Free | | 20% |
| 4003.00.00 | 00 | Reclaimed rubber in primary forms or in plates, sheets or strip | kg | Free | | Free |
| 4004.00.00 | 00 | Waste, parings and scrap of rubber (other than hard rubber) and powders and granules obtained therefrom | kg | Free | | Free |
| 4005 | | Compounded rubber, unvulcanized, in primary forms or in plates, sheets or strip: | | | | |
| 4005.10.00 | 00 | Compounded with carbon black or silica | kg | Free | | 20% |
| 4005.20.00 | 00 | Solutions; dispersions other than those of subheading 4005.10 | kg | Free | | 20% |
| 4005.91.00 | 00 | Other: | | | | |
| 4005.91.00 | 00 | Plates, sheets, and strip | kg | Free | | 20% |
| 4005.99.00 | 00 | Other | kg | Free | | 20% |
| 4006 | | Other forms (for example, rods, tubes and profile shapes) and articles (for example, discs and rings), of unvulcanized rubber: | | | | |
| 4006.90 | | Other: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
