Cork Lab Bottle Stopper from China
Durable agglomerated natural cork stopper sized for laboratory glassware such as reagent bottles and flasks. Falls under HTS 4503.10.60.00 as other natural cork stoppers, valued for chemical resistance and compressibility in scientific settings.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Certify compliance with lab safety standards (e.g
• no leaching into chemicals) for smooth customs clearance
• Use precise size numbering in invoices (e.g
• size 00-16) to match standard lab specs
• Separate from rubber stoppers to avoid Chapter 40 rubber classification errors