Tests by independent Laboratories
Examination FG (Geisenheim), December 2005
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Visual examination and description |
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Determination of the extraction forces for opening by corkscrew |
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No wine absorption of the plastic cork |
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Content of the wines of sulfurous acid (influence of oxygen, oxidation, see result tables) |
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Comparative sensorial examinations of the different variants |
Examination FG (Geisenheim), July 2005
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Measurement of the dimensions |
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Measurement of weight and specific weight (density) |
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Compression power measurement with the commonly used four-jaws corking device |
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Measurement of the form and dimension recovery of the plugs after compression |
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Examination of the usability with the commonly used corking devices |
Weinchemisches Labor Schreml, January 2005
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Tightness regarding CO2 and air |
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Elasticity of the corks |
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Extraction power when opening the bottle |
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Taste neutrality alcohol, water, wine |
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Capillary effect |
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Extraction power from "Boxbeutel" bottles |
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Test for softener (proved to be absent) |
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Summary |
Institut Fresenius, November 2004
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Examination of synthetic cork focussing on softener |
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Result: No softener could be proven |
More information:
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Please contact us for more detailed information contained in the original reports |
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PRO-KORK GmbH info@pro-kork.de / phone +49 4221-780192 / fax +49 4221-780194 other products: [aluvin screw closures] [PRO-KORK nature cork] |
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