For centuries, the cork stopper has been the iconic seal of a wine bottle. But beyond tradition, cork offers a unique blend of technical performance, environmental responsibility, and sensory experience that makes it the preferred choice for winemakers and wine lovers alike.

Cork, harvested from the bark of the cork oak (Quercus suber), is a remarkable material that blends essential winemaking functionality with significant environmental benefits.

A group of French researchers has concluded that cork stoppers may be the main protective element against microplastics in glass wine bottles.

Of the 7,165 wines submitted, an overwhelming 92% were sealed with cork closures—sending a strong and clear message that premium wines prefer cork over other closures.

Portocork, a leading name in natural cork closures, has officially launched its new branch in Argentina, marking a strategic expansion into one of South America's most dynamic wine-producing regions.