Moulded, cylindrical body with a 0,25/2 mm microgranulation, treated with vapoextraction, and with two natural cork rings on one end.

DIMENSIONS :

48x31 mm / 48x30,5 mm

TOLERANCE :

Length: ± 0,3 mm
Diameter: ± 0,2 mm
Bevel: 4 mm ± 0,5
Disk thickness: 11 mm ± 1
Moisture content: 4 % – 8 %
Density: 270 kg/m3 ± 6 %
Torque resistance: > 7,5 daN/cm2
Torque angle: > 30º
Resistance to boiling water: no degradation
Powder content/stopper: ≤ 0,001 g/stopper
Liquid seal capability: 100 % < 6 bars
Aerobic bacteria: < 30 U.F.C./stopper
Fungi and yeasts: < 10 U.F.C./stopper
2,4,6 TCA: ≤ 1,2 ng/l
PCA,TeCA,TBA: Detection limit
Scent and flavour control: no effect

Tests and specifications in accordance with UNE 56923, UNE 56930.

These specifications are understood when the corks leave the factory.