Natural whole cork stoppers are now even better with Naturity, the world’s most advanced anti-TCA technology. Delivering premium value with superior neutrality.
Natural cork stoppers, carved as a single piece, are recognized as the only true option for age-worthy wine, for centuries satisfying the expectations of the world’s leading winemakers.
Naturity is an advanced technology that removes TCA and other volatile compounds from cork without affecting its intrinsic physical-mechanical properties.
It is an entirely natural process applied to an entirely natural product.
Tests | Characteristics | Specifications |
---|---|---|
Physical-Mechanical | Length (l) | l ± 0.7 mm |
Diameter (d) | d ± 0,5 mm | |
Ovalisation | ≤ 0,7 mm | |
Moisture | 4% - 8% | |
Extraction force | 15 - 45 daN | |
Chemical | Peroxide content | ≤ 0.1 mg/stopper |
Dust content | ≤ 2mg/stopper | |
Visual | Visual Grade (1) | Reference ≥ -5% |
SPME GC / MS / ECD | 2, 4, 6 – Trichloroanisol (TCA) | 99% < 0,5ng/L (*) and 1% ≤ 1,0 ng/l |
CO2 | Balance | ≈ - 309 g/ stopper |
(*) Releasable TCA content at or below the 0.5 ng/L quantification limit; analysis performed in accordance to ISO 20752.
(1) Deviation with regard to reference sample Stopper sampling methods as per ISO 2859 standard – Cork Products.
All Amorim Cork, S.A. products comply with existing regulations and legislation (European and FDA — Food and Drug Administration) for products in contact with food.