Description
Tapered Cork Stopper
55mm top dia
45mm bottom dia
30mm deep
Price each
Please measure the diameter of the aperture and select a cork which has a smaller bottom dia and a larger top dia.
Please use the size chart to determine your correct size.
Cork Stoppers that actually fit, seal and last
Cork Stoppers are the quiet heroes of airtight living—renewable, reliable, and beautifully simple—so meet our Tapered Cork Stopper from Just Cork, engineered to squeeze confidently into your bottle or jar and hold the line against leaks, odours and mishaps.
Why this tapered cork is the right choice
Made from high-quality natural cork with the classic tapered profile, it compresses just enough to create a secure, friction fit. The result is a clean, food-safe seal for home brewing, demijohns, laboratory glassware, pantry jars, oils, vinegars and spirited experiments.
- Renewable material harvested from cork oak bark
- Odour-neutral and food-safe
- Reliable sealing for a snug, leak-resistant fit
- Multi-purpose use for bottles, jars and lab glass
Headline specifications
- Type: Tapered Cork Stopper
- Top diameter: 55 mm
- Bottom diameter: 45 mm
- Depth (height): 30 mm
- Unit: Sold individually (price each)
How to get the perfect fit
Measure the diameter of the aperture and select a cork with a smaller bottom diameter and a larger top diameter. That way, the stopper slides in cleanly, compresses along the taper and locks in place.
- Measure the internal diameter of your bottle or jar.
- Choose a cork whose bottom diameter is a few millimetres smaller.
- Ensure the top diameter is a few millimetres larger for an airtight seal.
- Use our Size Chart to confirm your choice.
What makes great cork great
Premium cork has a cellular structure packed with sealed chambers. That means lightweight density, water resistance, gentle compressibility and thermal insulation. In practical terms: fewer leaks, fewer odours, and a stopper you can remove and replace without it losing shape.
- Elastic recovery maintains shape
- Low capillary action prevents leaks
- Chemically gentle and suitable for food use
Use cases and ideas
- Home brewing and fermentation
- Pantry and kitchen storage
- Craft and apothecary jars
- Laboratory and hobby applications
Fitting tips
- Dry fit first
- Light quarter-turn to seat the taper
- Aim for contact, not force
- If between sizes, choose the smaller bottom diameter
Care and longevity
- Wipe clean with a damp cloth
- Avoid soaking to preserve structure
- Store dry and away from strong odours
Sustainability
Cork is renewable, biodegradable and recyclable. Choosing natural cork helps support Mediterranean ecosystems and reduces plastic waste.
FAQs
How tight should a cork stopper fit?
Snug, not strained. The bottom should enter easily; the upper taper provides the compression for the seal.
Will it work with liquids?
Yes. Cork’s low permeability supports liquids, oils and spirits. For long-term storage under pressure, select the correct taper and test first.
Natural vs synthetic?
Natural cork offers elasticity and sustainability. Synthetic stoppers suit certain uses, but natural cork is the reliable all-rounder.
Ordering from Just Cork
- Sold individually – price each
- Use the Size Chart to select the correct size
- Support available for diameter and fitting queries
In summary
For a sustainable, functional and well-fitted seal, the Tapered Cork Stopper from Just Cork brings simplicity, charm and reliability — proof that good things really do come in cork form. It’s the perfect choice among all Cork Stoppers.
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