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%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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