Cork Lab Bottle Stopper
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If solid cork for high-precision lab use
Premium solid cork lab stoppers have a dedicated subheading.
If rubber rather than cork
Identical lab stoppers made of rubber shift to Chapter 40.
If part of glass labware set
Stoppers imported with glass bottles may be classified as glassware parts.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• 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
Related Products under HTS 4503.10.60.00
Natural Cork Wine Bottle Stopper
A cylindrical stopper made from agglomerated natural cork, designed specifically for sealing wine bottles during storage and aging. It falls under HTS 4503.10.60.00 as 'other' corks and stoppers of natural cork, distinct from solid cork stoppers classified elsewhere. These are widely used in the wine industry for their compressibility and sealing properties.
Agglomerated Cork Champagne Cork
A tapered, multi-layer stopper composed of natural cork granules and binder, used for sparkling wine and champagne bottles under pressure. Classified under HTS 4503.10.60.00 as 'other' natural cork stoppers, excluding solid cork types. Its design ensures airtight seal against carbonation loss.
Natural Cork Beer Bottle Stopper
Reconstituted natural cork stopper for craft beer bottles, featuring a straight cylindrical shape for easy insertion and removal. It is categorized under HTS 4503.10.60.00 for other natural cork corks and stoppers. Popular in artisanal brewing for reusable sealing.
Reconstituted Cork Oil Bottle Stopper
Agglomerated natural cork plug for essential oil and perfume bottles, providing an airtight seal for volatile liquids. Classified in HTS 4503.10.60.00 as other cork stoppers, ideal for cosmetics and aromatherapy packaging.
Natural Cork Flask Stopper
Tapered stopper from natural cork agglomerate for hip flasks and small spirit containers. HTS 4503.10.60.00 covers this as other cork stoppers, prized for portability and reusability.
Agglomerated Cork Spirit Bottle Cork
Heavy-duty reconstituted natural cork for liquor and spirits bottles, engineered for long-term sealing. Falls under HTS 4503.10.60.00 for other natural cork stoppers.