Heading 3812

Prepared rubber accelerators; compound plasticizers for rubber or plastics, not elsewhere specified or included; antioxidizing preparations and other compound stabilizers for rubber or plastics

10 declarable lines

Heading 3812 covers three families of rubber and plastics additives: prepared rubber accelerators, compound plasticizers, and anti-oxidizing preparations and other compound stabilizers. The heading splits first by product family (3812.10, 3812.20, 3812.31 and 3812.39), then by whether the preparation contains an aromatic or modified aromatic ingredient, and finally by named chemical identity for stabilizers.

Products in this heading

Prepared vulcanization accelerator blends for rubber
Compound plasticizer blends for PVC or other plastics
Antioxidant blends for rubber compounds
Mixtures of TMQ oligomers used as rubber stabilizers
Mixtures of N,N'-diaryl-p-phenylenediamines
Stabilizer masterbatches in polyethylene or thermoplastic polyurethane
Hindered amine stabilizer bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate

How to choose the right subheading

Product family: accelerator (3812.10), plasticizer (3812.20), or antioxidant/stabilizer (3812.31 or 3812.39).
Whether the preparation contains any aromatic or modified aromatic accelerator, plasticizer, antioxidant or stabilizer.
For stabilizers, whether the product is a TMQ oligomer mixture, a diaryl-p-phenylenediamine mixture, or a listed masterbatch.
Whether the stabilizer is bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate.
Whether the product is a mixture or preparation rather than a separate chemically defined compound.

Often confused with

Antioxidant and viscosity additives for lubricating oils or gasoline
Prepared additives for mineral oils are classified in 3811, not in 3812.
Heading 3811
Catalysts and reaction initiators used in polymerization
Reaction initiators and catalytic preparations have their own heading.
Heading 3815
A single chemically defined antioxidant compound, unmixed
Separate chemically defined compounds of this kind are generally classified in chapter 29, not as 3812 preparations.
Chemical preparations not elsewhere specified, including mixed additives not for rubber or plastics
Residual chemical preparations fall to 3824 when no specific heading applies.
Heading 3824
Waste and residual products of the chemical industry
Residual products and wastes are covered by 3825.
Heading 3825

Frequently asked questions

What is the HTS code for prepared rubber accelerators?

Prepared rubber accelerators containing any aromatic or modified aromatic rubber accelerator are classified in 3812.10.10.00 at a general (MFN) rate of 6.5%. Other prepared rubber accelerators go in 3812.10.50.00 at a general (MFN) rate of 5%.

What is the duty on anti-oxidizing preparations for rubber?

The rate depends on the chemical identity and aromatic content. For example, 3812.39.90.00 carries a general (MFN) rate of 5%, while 3812.31.00.00 (TMQ oligomer mixtures) carries a general (MFN) rate of 6.5%.

How do I classify compound plasticizers for plastics?

Compound plasticizers containing any aromatic or modified aromatic plasticizer go in 3812.20.10.00 at a general (MFN) rate of 6.5%. All other compound plasticizers for rubber or plastics go in 3812.20.50.00 at a general (MFN) rate of 5%.

Guide written from the official schedule text. Rates quoted are general (MFN) rates; check the line page for trade agreement rates and the classification of your exact product.