Sparkling Corks

M. A. Silva’s sparkling wine corks are used by some of the finest Champagne and sparkling wine producers in the world. Our sparkling cork closure provides the strength to remain intact during twisting extraction, while being pliable enough to offer a lasting seal.

FUNCTIONAL
  • Torsion moment: ≥ 35 daN.cm
  • Dimensional Recovery: > 96% Shear strength: ≥ 6 daN/cm2
  • Sealing ability: no leaks at 6 bars
  • Capillarity: < 1 mm
  • Torsion angle: ≥ 35°
  • Chamfer: 4 mm
DIMENSIONAL
  • Length: nominal ± 0.5 mm
  • Diameter: nominal ± 0.3 mm
  • Ovalization- <0.4 mm
PHYSICAL
  • Moisture: 4% – 8%
  • Dimensional recovery: >96%
  • Specific weight: 240-320 kg/m3
  • Resistance to boiling water: no disintegration
  • Disc thickness: 1° ≥ 4.5 mm /2° ≥ 5.5 mm
  • Dust content: < 1 mg/cork
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