The chemical composition of cork is:
45% Suberin: the main component of the cell walls, responsible for
the resilience of the cork.
27% Lignin: the compound which contributes to the binding of the
different components.
12% Polysaccharides: components of the cell walls which contribute
to defining the texture of the cork.
6%
Tannins: Polyphenolic compounds that ensure the imperviousness of
cork.
5%
Ceroides 5%: Hydrophobic compounds that ensure the imperviousness of
cork.
