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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Include chemical compatibility certifications (e.g
• for acids/bases)
• Size standardization documentation prevents 'custom part' reclassification