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Superiority of Cork based on its Physical & Biological Characteristics

Cork is an extraordinary natural material with the following characteristics :

  • It is made of vegetable cell tissues with a density of 40 million microvoids /cm³
    > interesting fact : its composition is 95% similar to air.
  • That makes it a light and elastic material.
  • Superior insulating properties : its Thermal Conductivity Coefficient K = 0.035,
    which is equivalent to polystyrene and glass wool.
    The effective insulation of a cork panel depends on its thickness and density.
  • Temperature-proof : the insulating power of cork remains operational between -150 °C & +130 °C.
  • Low capillarity.
    It can therefore be washed, with detergent or hot water.
  • Fire-resistant and inflammable.
    No toxic smoke emissions when burned.
  • Gas-impervious.
  • Imputrescible when dry.
  • Certified for contact with food, after adequate treatment.
  • Resistant to damage by insects, rodents and termites.
  • Insulating against sound, vibrations and electricity.
  • Anti-static, does not retain dust.

Cork has been used for centuries as bottle stoppers to preserve wine and champagne.
It is also used as an effective construction material as a result of its insulating properties.
However, due to its many exceptional characteristics, cork is also currently used in many high-tech applications, such as high-speed trains, airplanes, space rockets, satellites, nuclear submarines and sailing boats, etc.