The Cork Industry In Portugal

The cork industry in Portugal continues to be to be among its most significant exports

which represent about 16% of overall overseas income and also employing some 20,000 individuals. The cork oak (Quercus suber L.) covers approximately 8% of the overall part of Portugal, 5.3 million acres, is within Portugal, and also generates almost half the cork harvested every year on the globe.

The forests are safe by law and also the felling of the oaks is not permitted except for becoming less substantial or removing old and unproductive trees. The cork oak is very versatile by having a great potential for regrowth. It could survive from 150 to 200 years, considering the bark being removed at nine-year intervals throughout its life span.

Following harvest, that is still employing the same methods because the features had been first recognized, the bark is seasoned. Seasoning enables the cork to produce a standard amount of moisture and stabilize. No more than 50% in the bark is removed during harvest, allowing the tree to protect itself using its all-natural defenses. The bark is practically impervious to liquid and gaseous substances, very light and flexible, it is also incombustible, a great insulator and it is particularly friction resilient. Essential in today's society nevertheless is it is absolutely all-natural, recyclable and biodegradable.

Throughout record, cork has been utilized being a commodity and recommendations are only of the use in fishing tackle dating back to 3000BC, it made however at the same time as the introduction of glass bottles while, in the second half of the seventeenth century, a French monk named Perignon discovered the special qualities and a new period began for Quercus suber L., with the need for appropriate corks for wines.

The natural cork stopper became the partner for an actually growing wine industry; with the two products getting demonstrated a union partnership for many years. Even though the involvement with the plastic cork had a harmful result, the material and its industry, very first written about in the 4th Century BC by the Greek philosopher Theophrastus, is creating a comeback. Along with greater funds being put in research and improvement by the industry, completely new appearing products are being developed for use in the automotive, clothing and home product sectors.

by: Paul Stubbs

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