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Based on a water-based solution

A natural cork-stopper covered with a water-based coating. Superior sealing capacity and wine preservation.

Acquamark's coating is produced through a high-tech structural process, based on a water-based solution, which binds the cork extracts to the stopper's surfaces, further enhancing the product's sealing potential.

Cork Properties

TestsCharacteristicsSpecifications
Physical-Mechanical Length (l) l ± 1.0 mm
  Diameter (d) d ± 0,5 mm
  Ovalisation ≤ 7 mm
  Moisture 4% - 8%
  Extraction force 20 - 40 daN
Chemical Peroxide content ≤ 0.1 mg/stopper
  Dust content ≤ 3mg/stopper
Visual Visual Grade (1) Reference ≥ 5%
CO2 Balance - 335 g/stopper

(1) Deviation with regard to reference sample.
Stopper sampling methods as per ISO 2859 standard - Cork Products.

Available in all dimensions.

  • Amorim can calculate the required cork diameter from the design of the neck of your bottle, the characteristics of the wine and the corking conditions.
  • For wines which are to age in the bottle, we suggest the use of corks longer than what is normal.
  • Order your stoppers for immediate or short term use. These stoppers should be used within 6 months of the date of manufacture.
  • Store in a well-ventilated room with controlled temperature between 15°C and 25°C and 50% to 70% humidity.

  • Ensure any dust is removed before corking.
  • Ensure the cork is compressed slowly to a diameter of not less than 15.5mm.
  • Ensure insertion of the stopper is performed as quickly as possible.
  • For standard bottlenecks, the cork should be inserted to 1mm below the top of the neck.
  • Minimise moisture on the inside of the bottle neck.
  • Headspace should be at least 15 mm at 20ºC.
  • Don't leave the cork stoppers in the feeder as to avoid dust.
  • Always use stoppers with a surface treatment suitable for the type of beverage, bottling process and selected bottle.
  • A vacuum must be created in order to prevent internal pressures.

  • Always ensure the corker jaws are free of nicks and signs of wear.
  • Ensure proper alignment of plunger and location ring.
  • Ensure corking machine operates smoothly, especially during compression.
  • Regularly clean all surfaces that come into contact with cork with chlorine-free products.
  • Ensure the equipment is suited to the cork used.

  • After bottling, the bottles should be kept in an upright position for at least 10 minutes.
  • Ideal bottle storage conditions are: 15-20°C at 50-70% humidity.
  • Keep the wine cellar free of insects.
  • Bottles should be transported in an upright position.
  • The product must be stored in a location exposed to sunlight, heated environment and in direct contact with the ground.

All Amorim Cork, S.A.'s products comply with current regulations and legislation (European and FDA - Food and Drug Administration) for products in contact with food.

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