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US HTS CODE | Harmonized Tariff Schedule HS code & Tariffs Search Service (2025 HTS Revision 31 (11/28/2025))
| HTS Code | 99021072 | 99021071 |
| Article Description | alpha-Alkenes (C20 -C24) maleic anhydride-4-amino-2,2,6,6-tetramethylpiperidine, polymer (CAS No. 152261-33-1) (provided for in subheading 3902.90.00) | C12-C18 alkenes, polymers with 4-methyl-1-pentene (CAS Nos. 25155-83-3, 81229-87-0 and 103908-22-1) (provided for in subheading 3902.90.00) |
| Quota of Quantity | -- | -- |
| Unit of Quantity | [] | [] |
| Rates of Duty (1-General) | Free | Free |
| Rates of Duty (1-Special) | No change | No change |
| Rates of Duty (2-Cuba and North Korea) | No change | No change |
| Footnotes | [stat, units], marker=1, See chapter 99 statistical note 1., type=footnote | [stat, units], marker=1, See chapter 99 statistical note 1., type=footnote |
| Additional Duty | -- | -- |
| Additional Duty(products of China) | -- | -- |