Heading 3812: Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere…
Every line of heading 3812 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified or included; antioxidizing preparations and other compound stabilizers for rubber or plastics
Chapter 38: Miscellaneous chemical products. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 3812.10 | Prepared rubber accelerators: | |
| 3812.10.10.00 | Containing any aromatic or modified aromatic rubber accelerator | 6.5% |
| 3812.10.50.00 | Other | 5% |
| 3812.20 | Compound plasticizers for rubber or plastics: | |
| 3812.20.10.00 | Containing any aromatic or modified aromatic plasticizer | 6.5% |
| 3812.20.50.00 | Other | 5% |
| 3812.31.00.00 | Mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ) | 6.5% |
| 3812.39 | Other: | |
| 3812.39.20.00 | Mixtures of N,N'-diaryl-p-phenylenediamines | 6.5% |
| 3812.39.30.00 | Master batches of poly[nitrilomethanetetraaryl- nitrilo[2,4,6- tris(1-methylethyl)-1,3- phenylene]]-2,6-bis(1-methylethyl)phenyl]-ω- [[[[2,6-bis(1-methylethyl)phenyl]amino]- methylene]amino]carbodiimide or 2,4-diisocyanate-1,3,5-tris(1-methylethyl)- benzene homopolymer with polyethylene, polyethylene terephthalate, or thermoplastic polyurethanes;Master batches of 3-(2H-benzotriazol-2-yl)-5- (tert-butyl)-4-hydroxybenzenepropanoic acid, C7-C9 branched or linear alkyl esters; andMaster batches of α-[3-[3-(2H-benzotriazol-2- yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1- oxopropyl-ω-[3-[3-(2H-benzotriazol-2-yl)-5- (1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxo- propyl] poly(oxyethylene) | Free |
| 3812.39.60.00 | Other | 6.5% |
| 3812.39.70.00 | Bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate | Free |
| 3812.39.90.00 | Other | 5% |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- AZURE WATER SERVICES, LLC
- BEDOUKIAN RESEARCH, INC.
- CARRUBBA, INCORPORATED
- DEXSIL CORPORATION
- EMBALMERS' SUPPLY COMPANY, THE
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Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 3812 has 4 of them. Schedule B lookup →
- 3812.10.0000PREPARED RUBBER ACCELERATORS
- 3812.20.0000COMPOUND PLASTICIZERS FOR RUBBER OR PLASTICS
- 3812.31.0000COMPOUND PLASTICIZERS FOR RUBBER/PLASTICS MIXTURES OF OLIGOMERS OF 2,2,4-TRIMETHYL-1,2-DIHYDROQUINOLINE(TMQ)
- 3812.39.0000PLASTICIZERS FOR RUBBER OR PLASTICS,CONTAINING ANY AROMATIC OR MODIFIED AROMATIC ANTIOXIDANT OR OTHER STABILIZER
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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