IPPD Antioxidant Blend for Rubber
> An antioxidant blend containing N-isopropyl-N'-phenyl-p-phenylenediamine (IPPD) and related diaryl-p-phenylenediamines, formulated for synthetic rubber compounds like NR and SBR. It provides long-term protection against thermal oxidation, making it an anti-oxidizing preparation for rubber under tariff item 3812.39.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the blend acts as a vulcanization accelerator
Accelerators are classified separately from antioxidants.
If the blend is used as a plasticizer
Plasticizers are a distinct subheading under heading 38.12.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• > Confirm that the blend is not a separate chemically defined compound, as Chapter 38 excludes such products unless specifically listed
• Provide a certificate of analysis to the CBSA to demonstrate the mixture's composition
• Check if the product is subject to any import restrictions under Canadian chemical regulations
Related Products under Tariff item 3812.39.00
4020NA Rubber Stabilizer Concentrate
> A rubber stabilizer concentrate containing N-(4-ethoxymethylphenyl)-N'-isopropyl-p-phenylenediamine mixtures, specifically formulated for agricultural tires to enhance flex fatigue resistance. This product acts as an anti-oxidizing preparation for rubber, falling under the compound stabilizers category of heading 38.12.
6PPD Rubber Antidegradant Premix
> A liquid aromatic antioxidant premix containing 6PPD, used in natural rubber for protection against dynamic weathering in truck tires. This product is an anti-oxidizing preparation for rubber, falling under tariff item 3812.39.00.
6PPD Rubber Antioxidant Mixture
> A mixture of N,N'-diaryl-p-phenylenediamine compounds, primarily 6PPD, used as an antiozonant and antioxidant in tire manufacturing. It protects rubber from oxidative degradation and ozone cracking, qualifying as an anti-oxidizing preparation for rubber under tariff item 3812.39.00.
ADK Stab AO-80 Masterbatch for TPU Injection Molding
ADK Stab AO-80 Masterbatch is a liquid alkyl ester benzotriazole antioxidant master batch in TPU pellets, used for injection molded automotive seals and gaskets. It provides excellent long-term heat aging resistance for under-hood applications. This product falls under tariff item 3812.39.00 as an anti-oxidizing preparation for rubber or plastics.
ADK STAB LA-77 Polymer HALS Additive
ADK STAB LA-77 is a polymer HALS additive containing bis(1,2,2,6,6-pentamethyl-4-piperidinyl) sebacate, used for agricultural film and automotive plastic stabilization. It falls under tariff item 3812.39.00 as a compound stabilizer for plastics, not elsewhere specified. Although the active ingredient is a separate chemically defined compound, the product is formulated as a stabilizer preparation for plastics.
Antilux 654 Rubber Light Stabilizer
> A nickel-based aromatic complex providing UV protection in colored rubber mats and flooring. Though primarily a light stabilizer, its aromatic structure qualifies it as an anti-oxidizing preparation for rubber under tariff item 3812.39.00.