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Cork validation test

Groupe ICV Controls on batches of corks

The specialised laboratory of the ICV Group offers a menu of specific analyses to reassure you of the suitability of your corks and the organoleptic neutrality of your purchases.

 

Visual, physical, chemical and organoleptic controls  Qty  Natural cork;
 Natural closed cork 
Agglomerate Composite Micro-agglomerate
Synthetic

 

Method of analysis

MENU

 

1

2

3

4

5

 

Objective of tests :
  • leak-proof capacity
  • organoleptic innocuity
  • risk of deposits
 

 

 

x

 

x
x

 

x
x
x

 

x

 

x
x

 

Visual Classification

 

50

x

x

x

 

 

Réf. : Charte des Bouchonniers Liégeurs
4ème éd. 1998+5ème éd.2006

Caracteristics of dimension

32

x

x

x

x

x

NF B57-100 (Déc 2010)

Hygrometry

20

x

x

x

x (1)

x (1)

NF B57-100 (Déc 2010)

Reprise dimensionnelle

 

5

 

 

 

 

 

NF B57-100 (Déc 2010)

Force of compression

 

10

x

x

x

x

x

 ICV method

Force restituée

 

10

 

 

x

x

x

 ICV method

Force of extraction

5

x

x

x

x

x

NF B57-100 (Déc 2010)

Impervious to liquids

6

x

x

x

x

x

NF B57-100(Déc 2010)

Impervious to gas

 

6

 

 

 

x

x

NF B57-100(Déc 2010)

Test de capillarité

 

4

x

x

x

 

 

ISO 9727 (1991)

Quantity of dusts

4

 

 

x

 

x

NF B57-100 (Déc 2010)

Residues of oxydants

 

4

 

 

x

 

 

NF ISO 21 128(Juil.2006)

OrganolepticTest  (2)

 

20

 

x

x

 

x

 ICV method

Search for haloanisols & halophénols

 

50

 

 

 

 

 

 

 

Sampling of corks for analysis
Choose pockets randomly from the whole purchase.
Sample 10 corks from each pocket until you obtain the desired quantity.
Reseal the pockets after removal (staples) and use these pockets first.
Place the sample corks in a neutral and dry contaiiner (eg. plastic container).

IN PRACTICE
The ICV Group carries out analyses on batches of corks for companies throughout France.
. for the mediterranean basin, the Ardèche and the Rhône Valley, contact your closest enology centre 
. for other regions, we can carry out remote analyses  with free delivery costs (for orders over 50€)

The Corking and Bottling Laboratory is accredited under le n°1-0501

More information on www.cofrac.fr

 


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