Royalty MB Antioxidant Masterbatch
Royalty MB is a 50% polymer-bound mixed aromatic antioxidant masterbatch for injection-molded rubber gaskets, containing hindered phenols and amines. It provides long-term thermal and oxidative protection. This product falls under 3812.39.00 as an anti-oxidizing preparation for rubber.
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 product is primarily a rubber accelerator
Prepared rubber accelerators are classified under a different subheading.
If the masterbatch is a chemical preparation not elsewhere specified
Residual heading for chemical products.
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
• Provide the exact composition of hindered phenols and amines for classification
• Ensure the product is labeled as an antioxidant for rubber
• Verify if any Canadian regulations apply to rubber gaskets in food contact applications
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
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