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What is the Bacchus Barrier?

The Bacchus Barrier™ is a specially-developed film which substantially reduces the migration of cork taints and oxygen into wine.

The Bacchus Barrier™ film is bonded to the cork ends using a strong reactive hot melt polymer layer. Subsequent cross linking in this layer prevents the film from detaching in contact with moisture. The Bacchus Barrier™ is applied by automated machinery, providing a tough, transparent and highly flexible coating    

Bacchus Barrier™ provides important reductions in the incidence of  taints, while eliminating flavour modification and premature oxdation. Because the film is slightly permeable to oxygen, no reductive oxidation tastes occur.

Bacchus Barrier™ flexes as the cork flexes during insertion. The Bacchus Barrier™ strengthens the ends of the corks and improves the sealing of the cork against the bottle sides.

that whilst nanocork™ was fresh, intense and fruity, the wines sealed by the reference screw cap and synthetic closures were characterised by a higher OD 420, honey, esters and oxidation.