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Corking Checklist

A checklist for wineries from Amorim Cork. Print it, and tape it by the corker.

Selection and Storage of Corks

  • Amorim can calculate the required cork diameter from the volume of your bottle's neck.
  • A wine with high CO2 may need a cork with a larger diameter than normal.
  • Longer corks than normal may help long-term cellaring for some bottle types.
  • Order corks for immediate or quick use.
  • Store corks in a well-ventilated room at a controlled 15–20 °C (59–68 °F) and 50–70% humidity.

Inserting the Cork

  • Compress the cork slowly, to a diameter no less than 15.5 mm.
  • Insert as quickly as possible.
  • For standard bottlenecks, insert the cork to about 1 mm below the top of the neck.
  • Minimize moisture on the inside of the bottleneck.
  • Headspace at 20 °C (68 °F) should be at least 15 mm.
  • Vacuum bottling or CO2 flushing reduces internal pressure.

Storage and Transport of Wine

  • After bottling, keep wine upright for at least 5–10 minutes.
  • Ideal bottle storage is 15–20 °C (59–68 °F) at 50–70% humidity.
  • Keep the cellar free of insect pests.
  • Transport wine upright.

Maintaining Corking Equipment

  • Keep the corker jaws free of nicks and signs of wear.
  • Check the alignment of the plunger and the locating ring.
  • Make sure the corker runs smoothly, especially during compression.
  • Clean all cork-handling surfaces regularly with chlorine-free chemicals.
Amorim Cork checklist for wineries (printable poster)
The original Amorim poster, for printing.