CO2 emissions are 24x cork for screwcaps and 10x cork for plastic stoppers.
Lets the right amount of oxygen into wine over time; artificial closures aren’t time-tested.
CO2 emissions are 24x cork for screwcaps and 10x cork for plastic stoppers.
Be a Certified
Cork Expert
Becoming knowledgeable about cork is incredibly important. In learning and understanding the unique and complex characteristics of this natural product you will also consequently increase your perspective and knowledge on wine. After reading through the information available on this website please complete the Cork Certification Course. If you can answer 80% of the questions correctly, you will be a certified cork expert. The questionnaire was designed and approved by APCOR – Portuguese Cork Association, and the California based Cork Quality Council. Wishing you a corking success!
Cork Certification
To Take the Cork Certification Course simply review the information on this site regarding natural cork. When you are comfortable with your progress proceed to the Cork Quiz. Scores of 80% or better will earn you a Cork Certificate.