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Why Cork?

100% natural and renewable, cork is the bark of the cork oak tree (Quercus Suber L.)

Cork is Chemically Natural

Made of suberin (its biggest constituent), lignin, polysaccharides, tannins and ceroids. It also has a residual moisture content of 5%.

Cork Harvesting

  • The cork oak is the only tree whose bark can regenerate itself after each harvest. 
  • Harvesting is a highly specialized process that doesn’t harm the tree. 
  • The bark of the cork is removed every nine years subsequent to the tree attaining maturity (around 25 years).

Cork Properties

No other material, artificial or natural, combines the range and depth of the properties cork is naturally endowed with.


Density: Natural Cork 160 - 260 kg/m³, Granulated Cork 60 - 160 kg/m³, Agglomerated Cork 140 - 600 kg/m³, Corkrubber 450 - 1 200 kg/m³. As reference: Water 1 000 kg/m³, Human body 1 010 kg/m³


When it is compressed, the air inside the cell is squeezed to a smaller space. The cell walls are flexible, recovering the original shape.


When pressure is released, compressed cork will bounce back to its original shape.

Shock Absorbent

With impact, the cell walls deform, absorbing energy without damaging the cell structure.


Temperature and humidity have a slight effect on cork, so it resists to deterioration and weathering.

Thermal Effective

The air inside the cells make it an excellent insulator, leading to very low thermal conductivity, over a wide range of temperatures.

Temperature Resistance

Where most of the synthetic materials fail, cork retains its properties. Cork’s thermal degradation begins only above 200ºC.

Sound Insulator

Cork acts in two ways, reducing the airbone noise reflection and reducing the sound waves transmission through the cell walls.

Moisture Proof

Water absorption is avoided by the closed cellular structure. Water covers only the exposed surface.


Cork is a flexible material, even at very low temperatures, as a result of the constituents (Suberine) and geometry of the cell walls.

"Soft touch"

Due to its basic material and surface characteristics, cork transmits a smooth touch.

"Warm feeling"

Cork’s normal temperature is very close to the human body; it therefore feels warm to the touch.

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