Stoppers & Closures
Are there other types of wine corks?
Besides natural and agglomerate wine corks, the other types of wine corks include 1+1 wine corks, which have a natural cork disc on each end of an agglomerate middle, or colmated wine corks (also known as a pore-filled wine cork), which is a low-qual
Where do wine corks come from?
Wine corks come from the bark of the cork tree. Natural wine corks are "punched" out of the bark, while agglomerated wine corks are made from granulated cork pressed into a mold.
What is a natural wine cork?
Natural wine corks are solid pieces of cork punched from the bark of the cork oak tree. Natural wine corks are free from binders and additives, making them an excellent option for high-quality wines.
What are agglomerate (agglo) wine corks?
Agglomerated wine corks are made from cork granules taken from the bark of the cork oak tree. Most agglomerated corks are produced by either molding or extrusion.
How are champagne corks different?
Champagne corks use two cork discs, which are laminated to the agglomerated cork. These two discs allow for the maximum expansion of the cork. When the cork is inserted into the bottle, it is straight. After the cork is inserted and exposed to the hi
What type of stopper will best fit my bottle?
We recommend a stopper stem that is 1mm larger than the internal bore diameter of your bottle. For higher proof or clear spirits, we recommend using a natural cork stem or a synthetic stem. Lower proof and darker spirits can use any stem type.
Can I request stopper samples?
Yes. Please contact us for samples!
Should I provide my bottle specifications before placing an order?
If you have any questions about your bottle drawing, you can send it to us, and we would be happy to review it with you! In general, we recommend ordering stoppers with a stem diameter 1mm larger than the internal bore diameter of your bottle.
Can I get a custom designed stopper?
We do offer custom stoppers. Learn more here.
Are there any price breaks for specific order quantities?
We do offer price breaks for our stoppers. You can find our wholesale pricing and price breaks in the "Bulk Discounts Available" section on each product page.
What is the minimum order I can place?
To offer the lowest wholesale prices, we no longer offer retail quantities for our stoppers and shrink caps. The minimum quantity that can be ordered is one full carton. The exact quantity of stoppers in a full carton may vary by item, but it will be
What are the lead times for ordering stoppers?
Unless otherwise indicated, our stoppers are in stock and will ship within 10 business days. Out-of-stock items are indicated on the website. The lead time on out-of-stock items will vary. Let us know if you have questions about a specific item's lea
How does high heat affect the performance of cork (including synthetic) stoppers after bottling?
Unusual exposure to heat can affect the performance of sealed bottles in two main ways:. 1. Pressure build-up inside the bottle: High (non-standard) ambient heat levels will increase pressure within the bottle, potentially causing the stopper to lift
Is there an official standard for sizing tapered cork stoppers?
No formal sizing standard for tapered or conical corks is currently published by international standards organizations such as ISO, ASTM, or CEN. Instead, cork sizing is based on industry-accepted conventions that have evolved through decades of manu
What grade are your tapered corks?
Our tapered corks are grade A. XXX grade is comparable to grade A cork.
Can tapered cork stoppers be used to seal liquids such as wine or distilled spirits?
Tapered cork stoppers are generally not recommended for sealing non-viscous liquids such as wine or distilled spirits. Because the cork tapers, it typically makes contact with the bottle at only a narrow point along the taper, which does not create a