Industrial Tapered Natural Cork Fermentation Airlock Stopper

Tapered natural cork with bored channel for airlocks in large-scale fermentation tanks, length > diameter. Classed in HTS 4503.10.40.00 for tapered other natural cork stoppers. Used in commercial brewing.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4503.90Lower: 24% vs 35%

If non-tapered airlock corks

Shape variations within natural cork.

8419.89.95Higher: 39.2% vs 35%

If part of fermentation machinery

Machinery components under Chapter 84 if integral.

4504.90.00.00Same rate: 35%

If agglomerated industrial versions

Durability favors agglomerated in industry.

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

Specify industrial end-use to access manufacturing drawback

Bore size docs prevent misclass as solid stopper

Quarantine rules if from pest-prone areas

Related Products under HTS 4503.10.40.00

Tapered Natural Cork Wine Stopper

A tapered cork stopper made from natural cork, with thickness greater than its maximum diameter, used to seal wine bottles. It falls under HTS 4503.10.40.00 as a cork stopper that is tapered and exceeds the diameter in thickness, categorized as 'other' within this subheading. This classification applies to non-disc or non-cylindrical natural cork articles for bottling.

Large Tapered Natural Cork Champagne Cork

A robust tapered stopper crafted from natural cork for sparkling wine bottles like champagne, featuring a length exceeding its widest diameter. Classified under HTS 4503.10.40.00 due to its tapered design and dimensional criteria for natural cork stoppers outside disc or cylindrical forms. Ideal for high-pressure bottle sealing.

Extra-Long Tapered Natural Cork Spirit Bottle Stopper

An elongated tapered stopper from natural cork designed for liquor and spirit bottles, exceeding diameter in length for deep insertion. Falls under HTS 4503.10.40.00 as 'other' tapered natural cork stoppers meeting the size criterion. Provides airtight seal for aged spirits.

Heavy-Duty Tapered Natural Cork Lab Flask Stopper

Durable tapered stopper from natural cork for laboratory glassware like Erlenmeyer flasks, with length > diameter for lab sealing. Under HTS 4503.10.40.00 as other tapered natural cork stoppers. Used in chemical and biological experiments.

Tapered Natural Cork Vintage Port Bottle Stopper

Specialized tapered natural cork for aging port wine bottles, designed longer than wide for long-term storage. Fits HTS 4503.10.40.00 for tapered 'other' natural cork stoppers. Traditional for fortified wines.

Oversized Tapered Natural Cork Demijohn Stopper

Large tapered cork for sealing traditional demijohn glass jugs used in homebrewing and winemaking, length surpassing diameter. HTS 4503.10.40.00 covers this as other tapered natural cork. Essential for fermentation vessels.