THE QUALITY OF CORK AND CORK STOPPERS

Projektinformationen

ID Finanzhilfevereinbarung: MA2B900007

Projekt abgeschlossen

Startdatum 1 März 1991

Enddatum 31 August 1993

Finanziert unter

• Specific research and technological development programme (EEC) in the fields of raw materials and recycling - Renewable raw materials: Forestry and wood products (including cork) -, 1990-1992

Gesamtkosten

Keine Daten

EU-Beitrag

Keine Daten

Koordiniert durch

INSTITUTO SUPERIOR TECNICO
Portugal

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Verwertbare Ergebnisse

The quality of cork and cork stoppers

The project resulted in better understanding of the performance of a cork stopper. All the main parameters and properties which affect the quality of cork stoppers were quantified. It was found that image analysis can be used to quantify cork quality. The effects of the final surface treatments (eg with paraffin and silicon), on the performance of cork stoppers is now better understood. New methods for the bleaching of cork stoppers were developed to avoid the use of chlorine in the washing solution and the recovery of natural cork stoppers was found to be possible. For the first time, isotherms of equilibrium moisture content of cork were obtained.