Cork Janosa
cork stopper producers


1 + 1 cork stoppers


An agglomerated stopper with 2mm thick ends from natural cork material, which gives better performance and superior protection against oxidation. 'A', 'B' or 'C' grading is dependent on the quality of disc used for the ends. Produced in lengths of 40 or 44mm and 23.5mm diameter, and usually supplied fully washed.

Recommended for wine storage up to 4 years, depending on storage conditions.


PRODUCTION
Process Extrusion at 120°C
Adhesives Polyurethane Approved by FDA
JATOSY® Granules on Autoclave System
DIMENSIONAL TESTS
Length Nom. ± 0,50 mm NP 4351 / NP 2803-1
Diameter Nom. ± 0,40 mm NP 4351 / NP 2803-1
Ovalisation < 0,40 mm NP 4351 / NP 2803-1
SPECIFIC TESTS
Moisture 6,0% ± 2 NP 4351 / NP 2803-2
Specific Weigh 280 Kg/m³ ± 40 NP 4351 / NP 2803-1
Resistance Boiling Water No Disintegration NP 4351 / NP 2803-7
Recovery / Elasticity > 96 % Internal Method
CHEMICAL TESTS
Residual Oxidants < 0,2 mg/cork International/Internal Method
Surface Treatment 12,5 mg/cork ± 2,5 Internal Method
MECHANICAL TESTS
Extraction Force 30 daN ± 10 NP 4351 / NP 2803-4
Sealing Test < 2bar Internal Method
Torsion: Angle > 35° NP 4351 / NP 2803-6
Torsion: Moment > 20 daN.cm NP 4351 / NP 2803-6
Compression Force 70 daN ± 10 NP 4351 / NP 2803-6
MIKROBIOLOGICAL TESTS
Mikrobiology < 4 UFC/cork NP 3721

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