| 4001.10.00 | 00 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber latex, whether or not pre-vulcanized | KSD | Free | CCCT, LDCT |
| 4001.21.00 | 00 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Smoked sheets | KGM | Free | CCCT, LDCT |
| 4001.22.00 | 00 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Technically specified natural rubber (TSNR) | KGM | Free | CCCT, LDCT |
| 4001.29.00 | | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Other | KGM | Free | CCCT, LDCT |
| 4001.29.00 | 10 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Other - Sheets and strip: - Sheets and strip | KGM | Free | CCCT, LDCT |
| 4006.90.00 | 00 | Other forms (for example, rods, tubes and profile shapes) and articles (for example, discs and rings), of unvulcanized rubber. - Other | - | Free | CCCT, LDCT |
| 4001.29.00 | 90 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Other - Other | KGM | Free | CCCT, LDCT |
| 4001.30.00 | 00 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Balata, gutta-percha, guayule, chicle and similar natural gums | KGM | Free | CCCT, LDCT |
| 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. | | | |
| 4002.11.00 | 00 | 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.
- Styrene-butadiene rubber (SBR); carboxylated styrene-butadiene rubber (XSBR): - Latex | KSD | Free | CCCT, LDCT |
| 4002.19.00 | 00 | 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.
- Styrene-butadiene rubber (SBR); carboxylated styrene-butadiene rubber (XSBR): - Other | KGM | Free | CCCT, LDCT |
| 4002.20.00 | | 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.
- Butadiene rubber (BR) | KSD | Free | CCCT, LDCT |
| 4002.20.00 | 10 | 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.
- Butadiene rubber (BR) - Latex | KSD | Free | CCCT, LDCT |
| 4002.20.00 | 90 | 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.
- Butadiene rubber (BR) - Other | KGM | Free | CCCT, LDCT |
| 4002.31.00 | | 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.
- Isobutene-isoprene (butyl) rubber (IIR);
halo-isobutene-isoprene rubber (CIIR or BIIR): - Isobutene-isoprene (butyl) rubber (IIR) | KSD | Free | CCCT, LDCT |
| 4002.31.00 | 10 | 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.
- Isobutene-isoprene (butyl) rubber (IIR);
halo-isobutene-isoprene rubber (CIIR or BIIR): - Isobutene-isoprene (butyl) rubber (IIR) - Latex | KSD | Free | CCCT, LDCT |
| 4002.31.00 | 90 | 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.
- Isobutene-isoprene (butyl) rubber (IIR);
halo-isobutene-isoprene rubber (CIIR or BIIR): - Isobutene-isoprene (butyl) rubber (IIR) - Other | KGM | Free | CCCT, LDCT |
| 4002.39.00 | | 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.
- Isobutene-isoprene (butyl) rubber (IIR);
halo-isobutene-isoprene rubber (CIIR or BIIR): - Other | KSD | Free | CCCT, LDCT |
| 4002.39.00 | 10 | 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.
- Isobutene-isoprene (butyl) rubber (IIR);
halo-isobutene-isoprene rubber (CIIR or BIIR): - Other - Latex | KSD | Free | CCCT, LDCT |
| 4002.39.00 | 90 | 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.
- Isobutene-isoprene (butyl) rubber (IIR);
halo-isobutene-isoprene rubber (CIIR or BIIR): - Other - Other | KGM | Free | CCCT, LDCT |
| 4002.41.00 | 00 | 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.
- Chloroprene (chlorobutadiene) rubber (CR): - Latex | KSD | Free | CCCT, LDCT |
| 4002.49.00 | 00 | 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.
- Chloroprene (chlorobutadiene) rubber (CR): - Other | KGM | Free | CCCT, LDCT |
| 4002.51.00 | 00 | 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.
- Acrylonitrile-butadiene rubber (NBR): - Latex | KSD | Free | CCCT, LDCT |
| 4002.59.00 | 00 | 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.
- Acrylonitrile-butadiene rubber (NBR): - Other | KGM | Free | CCCT, LDCT |
| 4002.60.00 | 00 | 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.
- Isoprene rubber (IR) | KGM | Free | CCCT, LDCT |
Harmonized Tariff Schedule of the Canada inquiry: aircraft+parts
