Natural cork, plastic or screwcap - do wine enclosures matter? Founder/CEO Jim Bernau of Willamette Valley Vineyards lays out the case for cork in today's edition of Ask The Expert! It's time for ...

Also known as an agglomerated cork. A wine bottle stopper made of particles or granules of natural cork pressed together and bound by an FDA–approved glue. Sign Up for Free Email Newsletters Sign up ...

Natural cork has been used in winemaking for centuries and is still the stopper of choice for 89% of Wine Spectator's top 100 wines. Portugal has the largest cork oak forest by area in the world.