Santocure TBBS Accelerator
"Santocure TBBS" is a branded form of N-tert-Butyl-2-benzothiazolesulfenamide, a sulfenamide accelerator with the defining benzothiazole ring-system of HTS 2934.20.0500. Widely used in NR and synthetic rubber for optimal scorch safety in tire manufacturing.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing >1% impurities or diluents affecting purity classification
Chemical products not elsewhere specified with significant impurities fall under 3824 rather than pure compounds of Chapter 29.
If another benzothiazole compound without specific N-tert-butyl substitution
Other named benzothiazole derivatives have separate 10-digit codes within the same heading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Retain brand-specific technical data sheets showing TBBS composition to support classification during verification audits
• For bulk imports (>25kg drums), ensure DOT/UN packaging certification; avoid plastic bags that risk dust contamination
• Watch for origin marking requirements - chemical name must appear on drums alongside country of manufacture
Related Products under HTS 2934.20.05.00
N-tert-Butyl-2-benzothiazolesulfenamide (TBBS)
N-tert-Butyl-2-benzothiazolesulfenamide (TBBS) is a specific sulfenamide accelerator containing a benzothiazole ring-system, classified under HTS 2934.20.0500 as a heterocyclic compound not further fused. It is primarily used in the rubber industry to control vulcanization speed and improve processed rubber properties.
TBBS 98% Rubber Accelerator Powder
High-purity (98%) N-tert-Butyl-2-benzothiazolesulfenamide powder specifically formulated for delayed-action vulcanization in rubber compounds. Its benzothiazole ring-system qualifies it under HTS 2934.20.0500 as a named heterocyclic compound used in tire and automotive rubber production.
Runflex TBBS Vulcanization Accelerator
Runflex TBBS is N-tert-Butyl-2-benzothiazolesulfenamide meeting industrial specifications for rubber curing, classified under HTS 2934.20.0500 due to its specific benzothiazole heterocyclic structure. Essential for producing conveyor belts, hoses, and seals.
Benzothiazole TBBS 95% Technical Grade
Technical grade N-tert-Butyl-2-benzothiazolesulfenamide at 95% purity, recognized under HTS 2934.20.0500 for its characteristic benzothiazole ring-system. Used in cost-effective rubber formulations for footwear soles and mechanical goods.