NOBS MBS Rubber Accelerator 95% Powder from Mexico
MBS (MOR) is 2-(Morpholinothio)benzothiazole, a sulfenamide accelerator analogous to named NOBS under HTS 2934.20.1500. Provides balanced cure rate and scorch resistance for conveyor belts.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify exact IUPAC name and CAS 102-66-9 on all documentation for statistical breakout
• Dust explosion hazard documentation required for bulk powder shipments
• Rubber compounder end-user letters prevent general chemical preparation classification