Lab Glassware Stopper from Mexico
Solid vulcanized rubber stopper for sealing laboratory flasks and test tubes, resistant to chemicals. HTS 4016.99.1500 for other rubber stoppers/closures.
Duty Rate — Mexico → United States
12.7%
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
• Include chemical compatibility certifications (e.g
• for acids/bases)
• Size standardization documentation prevents 'custom part' reclassification