TBBS 98% Rubber Accelerator Powder from Canada
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.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include manufacturer's specification sheet detailing melting point (104-107°C) and assay to confirm identity during customs examination
• Declare as 'industrial chemical - not for retail sale' to prevent misclassification; use HS explanatory notes for heterocyclic compound justification