- Cork 1st to 5th – Good quality cork for the production of the
best type of stoppers - Fridays – Cork drawn lower quality than 1st to 5th destined to the production
of stoppers - Thin 6 to 12 – Cork with a thickness of less than 13 lines,
mainly for the manufacture of disks for technical stoppers - Refurbished Cooked – Poor quality cork intended mainly for
granulates and building materials