Hybrid Corks
Also known as “technological corks,” hybrid corks are a mix of natural cork and synthetic materials. Proponents claim that they reduce the incidence of TCA taint and also offer some of the benefits of natural cork.
The use of Hybrid Corks in Wine
Hybrid corks are made of small cork particles that are treated with wax and artificial polymer particles known as “microspheres.” Both materials are fused together with an FDA approved adhesive. The combination of natural and artificial particles makes wines bottled with hybrid corks less prone to TCA taint.
The jury is still out on whether wines age well with hybrid corks or not. Because the technology is relatively new, it will be several years before these questions begin to be answered. Altec is a popular hybrid cork that is made in France by Sabate SA. In addition to standard hybrid corks, there are several other interesting alternatives that some producers are using to seal their wine.
The Metacork has a twist off exterior piece with an interior cork that seals the wine. This cork can be made of natural, synthetic, or hybrid materials. The major advantage of the Metacork is that it is very easy to reseal. The Zork is very similar to the Metacork, only the exterior piece is a screw cap. Both the Metacork and Zork make the “pop” sound when you open them. The Vinegra is a glass or plexiglas stopper that avoids TCA taint.
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