Cork validation test
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 :
|
|
x |
x |
x |
x |
x |
|
|
|
Visual Classification |
|
50 |
x |
x |
x |
|
|
Réf. : Charte des Bouchonniers Liégeurs |
|
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).
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
