The Cork tree grows in West Mediterranean, Portugal, Algeria, Spain, France, Italy and some parts of South Africa.Portugal is the leading country in the production.World’s 80% of cork production is in Portugal. The Cork tree can grow to 30-35 meters height.Cork layer will be lowered while getting older. The Cork tree may live 150 to 200 years and the shells can be used for production after 100 years.Low quality barks are used for isolation after they grind. Agglomeration of the grains with cork resin leaking is getting easier with steam and warm-up operation.
