Findings Confirm The Positive Halo Effect of Aluminum Screw Cap/Closures When Compared With Synthetic Corks

Aluminum screw cap/closures have definitely come a long way since it was first released in the wine industry. The image portrayed for these screw cap/ closures is that it is only used for low-quality wines. However, in the early 2000s, Australia launched a large investigation around aluminum screw cap/closures, and today, the majority of the wine industry is bottling the beverage with these seals.

However, the market for screw-capped bottled wines in the U.S. still struggles. As per experts, the U.S. market is very different from others. In the U.K. and Australia, the acceptance of screw caps/closures and synthetics is greater, while in the U.S. natural cork is still the preferred choice.

But as the saying goes, one shouldn’t judge a book by its cover. So similarly, should you judge a wine bottle by its screw cap/closure? Cultural preconceptions aside, the screw caps/closures can tell a great deal about the wine it encloses. It can hint at longevity, quality, culture, and history.

Experts have spent a lot of time focusing on what lies within the bottle. For once, let’s get to know what sits above it. Here’s your guide to aluminum closures and caps.



TCA, the taint that affects so many wines under natural cork, is almost nonexistent under aluminum closures and caps. Also, because there’s less oxygen interaction with wines in comparison to a cork, winemakers can theoretically reduce the amount of sulfur dioxide that's used as an antioxidant before bottling.


Because wines under aluminum closures and caps reside in a relatively oxygen-free atmosphere, they’re believed to be longer lived.


Aluminum screw caps and closures can vary in price, depending on quality. Generally, however, they’re cheaper than natural cork.

Easy to Open:

Aluminum screw caps and closures open with a simple twist of the wrist. There’s no need for any gadgets beyond a free hand and a little muscle.

Nipra is one such organization that’s engaged in manufacturing, supplying, and exporting aluminum screw caps and closures (also known as bottle caps or ROPP closures). The range offered by the company consists of Wine Closures, Spirit Closures, Liquor Bottle Closures, Pharma Closures, Olive Oil Closures, etc. For more information on Nipra visit:


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