Runflex TBBS Vulcanization Accelerator from Germany
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.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide FTIR or HPLC analysis confirming benzothiazole ring presence to distinguish from CBS (2934.20.1000)
• Declare exact CAS number (2338-96-1) on commercial invoice to facilitate automated customs processing