Cork (material)

Cork is a material that is harvested for commercial use primarily from the bark of the Cork Oak tree. As the cork is harvested. Portugal produces 50% of cork worldwide.^[1] Cork is made up of suberin, a hydrophobic substance.^[2]

In general, cork is made up of suberin (average of about 40%), lignin (22%), polysaccharides (cellulose and hemicellulose) (18%), extractables (15%) and others.^[3]

1. ↑ http://www.pressedforwine.com/equipment/corks.shtml
2. ↑ Portugal, Fullsix. "What is Cork". Amorim Cork Composites. Retrieved 2021-06-15.
3. ↑ Duarte, Ana Paula; Bordado, João Carlos (2015). "Cork – A Renewable Raw Material: Forecast of Industrial Potential and Development Priorities". Frontiers in Materials. 2: 2. Bibcode:2015FrMat...2....2D. doi:10.3389/fmats.2015.00002. ISSN 2296-8016. Text was copied from this source, which is available under a Creative Commons Attribution 4.0 International License.