Lab Glassware Stopper from Japan
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 — Japan → United States
12.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include chemical compatibility certifications (e.g
• for acids/bases)
• Size standardization documentation prevents 'custom part' reclassification