La qualità del sughero: metodologie di valutazione e norme tecniche per il sughero grezzo e per i prodotti derivati.

[automatically translated] The ability to retract from the cork derived products strongly depends on its quality. The term "quality" of the cork is not supported by clear legal regulations and there is, at present, an objective methodology for its assessment universally accepted. In the last few years it is producing an effort to objectification of the cork quality assessment methodologies by defining grading standards and standardization of products obtainable and / or through trials concerning the application on raw cork or on derivatives of special techniques used in other scientific fields and / or other materials. An unambiguous definition of the raw cork quality, currently different in the various producing countries, It is necessary and of considerable practical importance in that, if on the one hand constitutes a means of decision that allows the forest to quantify the value of the raw cork stack for sale, on the other hand facilitates the meeting between producers and users through the qualification of products offered in the market at the local and international level. An analysis was conducted on currently adoperate methodologies for assessing the quality of cork that are extremely fragmented and sometimes difficult to find.