Runflex TBBS Vulcanization Accelerator
Runflex TBBS is N-tert-Butyl-2-benzothiazolesulfenamide meeting industrial specifications for rubber curing. It contains the characteristic benzothiazole ring-system and is classified as a heterocyclic compound not further fused.
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 compound is not a separate chemically defined compound or contains additional functional groups that place it elsewhere
Other heterocyclic compounds not specifically covered by the benzothiazole subheading may fall under the residual subheading.
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 the product is a separate chemically defined compound and not a preparation or mixture that would fall elsewhere
• Provide technical data sheets to CBSA if requested
• Consider whether the product is subject to any Canadian workplace hazardous materials regulations
Related Products under Tariff item 2934.20.00
2,2'-Dithiobisbenzothiazole (DMTS)
2,2'-Dithiobisbenzothiazole (DMTS) is a sulfur-containing heterocyclic compound featuring a benzothiazole ring system. It is a separate chemically defined compound used as a rubber accelerator.
2-Mercaptobenzothiazole Industrial Grade 98%
High-purity industrial grade 2-Mercaptobenzothiazole at 98% minimum assay, qualifying as a chemically defined compound under this tariff item. Used in tire manufacturing and rubber belt production for optimal cross-linking.
2-Mercaptobenzothiazole (MBT) Powder
2-Mercaptobenzothiazole (MBT) is a heterocyclic compound containing a benzothiazole ring system, primarily used as an accelerator in rubber vulcanization processes. It is a separate chemically defined compound.
Benzothiazole Disulfide Powder 98%
Technical grade 98% 2,2'-dithiobisbenzothiazole powder for large-scale rubber processing plants. It is a chemically defined benzothiazole structure with allowable impurities, classified as a heterocyclic compound.
Benzothiazole TBBS 95% Technical Grade
Technical grade N-tert-Butyl-2-benzothiazolesulfenamide (TBBS) at 95% purity, a chemically defined heterocyclic compound containing an unfused benzothiazole ring-system. It is used as a vulcanization accelerator in rubber formulations for footwear soles and other industrial rubber goods.
Captax MBTS Rubber Accelerator
Captax MBTS is the commercial grade 2,2'-dithiobisbenzothiazole used in tire and rubber manufacturing as a delayed-action vulcanization accelerator. It contains the specific benzothiazole ring-system required for this tariff item.